| Country | Code | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Algeria | DZA | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP |
| Angola | AGO | GOV | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Argentina | ARG | SHI | SHI | SHI | SHI | OOP | OOP | OOP | OOP | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Armenia | ARM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Australia | AUS | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Austria | AUT | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Azerbaijan | AZE | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Bahrain | BHR | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Bangladesh | BGD | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Belarus | BLR | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Belgium | BEL | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Benin | BEN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Bhutan | BTN | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Bolivia | BOL | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV |
| Bosnia and Herzegovina | BIH | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Botswana | BWA | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Brazil | BRA | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Bulgaria | BGR | GOV | OOP | OOP | OOP | OOP | OOP | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Burkina Faso | BFA | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Burundi | BDI | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | OOP | OOP | GOV | GOV |
| Cambodia | KHM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Cameroon | CMR | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Canada | CAN | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Central African Republic | CAF | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Chad | TCD | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Chile | CHL | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| China | CHN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | SHI | SHI | SHI | SHI | SHI | SHI |
| Colombia | COL | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Comoros | COM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Congo, Dem. Rep. | COD | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | OOP | OOP | OOP | OOP | OOP | OOP |
| Congo, Rep. | COG | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP |
| Costa Rica | CRI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Cote d'Ivoire | CIV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Croatia | HRV | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Cuba | CUB | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Cyprus | CYP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Czech Republic | CZE | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Denmark | DNK | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Djibouti | DJI | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Dominican Republic | DOM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Ecuador | ECU | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Egypt, Arab Rep. | EGY | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| El Salvador | SLV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Equatorial Guinea | GNQ | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Eritrea | ERI | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Estonia | EST | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Eswatini | SWZ | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Ethiopia | ETH | OOP | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV |
| Fiji | FJI | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Finland | FIN | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| France | FRA | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Gabon | GAB | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | OOP | OOP | GOV | GOV |
| Gambia, the | GMB | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Georgia | GEO | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Germany | DEU | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Ghana | GHA | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Guatemala | GTM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Guinea | GIN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Guinea‐Bissau | GNB | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | OOP | OOP |
| Guyana | GUY | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Haiti | HTI | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Honduras | HND | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Hungary | HUN | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| India | IND | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Indonesia | IDN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Iran, Islamic Rep. | IRN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Ireland | IRL | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Israel | ISR | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Italy | ITA | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Jamaica | JAM | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Japan | JPN | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Jordan | JOR | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP |
| Kazakhstan | KAZ | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Kenya | KEN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV |
| Korea, Rep. | KOR | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Kuwait | KWT | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Kyrgyz Republic | KGZ | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Lao PDR | LAO | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Latvia | LVA | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Lebanon | LBN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Lesotho | LSO | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Liberia | LBR | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Lithuania | LTU | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Madagascar | MDG | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Malawi | MWI | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Malaysia | MYS | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Mali | MLI | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Mauritania | MRT | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Mauritius | MUS | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Mexico | MEX | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Moldova | MDA | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Mongolia | MNG | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | OOP |
| Morocco | MAR | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Mozambique | MOZ | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Myanmar | MMR | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Namibia | NAM | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Nepal | NPL | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Netherlands | NLD | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| New Zealand | NZL | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Nicaragua | NIC | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Niger | NER | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Nigeria | NGA | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| North Macedonia | MKD | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Norway | NOR | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Oman | OMN | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Pakistan | PAK | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Panama | PAN | GOV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Papua New Guinea | PNG | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Paraguay | PRY | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Peru | PER | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Philippines | PHL | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Poland | POL | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Portugal | PRT | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Qatar | QAT | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Romania | ROU | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Russian Federation | RUS | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | SHI | SHI | SHI |
| Rwanda | RWA | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Senegal | SEN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Serbia | SRB | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Sierra Leone | SLE | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Singapore | SGP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Slovak Republic | SVK | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Slovenia | SVN | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| South Africa | ZAF | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Spain | ESP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Sri Lanka | LKA | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Sudan | SDN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Sweden | SWE | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Switzerland | CHE | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Tajikistan | TJK | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Tanzania | TZA | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV |
| Thailand | THA | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| Togo | TGO | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Trinidad and Tobago | TTO | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV |
| Tunisia | TUN | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Turkey | TUR | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Turkmenistan | TKM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Uganda | UGA | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Ukraine | UKR | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | OOP |
| United Arab Emirates | ARE | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| United Kingdom | GBR | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
| United States | USA | OOP | OOP | OOP | OOP | OOP | OOP | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Uruguay | URY | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | SHI | SHI | SHI | SHI | SHI | SHI | SHI |
| Uzbekistan | UZB | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Venezuela, RB | VEN | OOP | OOP | OOP | OOP | OOP | OOP | GOV | GOV | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Vietnam | VNM | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP | OOP |
| Zambia | ZMB | GOV | GOV | GOV | GOV | GOV | OOP | OOP | OOP | OOP | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV | GOV |
Note: The table shows the predominant HFS for all countries, across years.
Source: Authors' elaboration.