Table 5.
Identification of clusters, worldwide on average over the period of 2000–2020.
| Clusters | |||
|---|---|---|---|
| 1 | 2 | 3 | 4 |
| Afghanistan | Bangladesh | Albania | Algeria |
| Central African Republic | Cambodia | Belarus | Armenia |
| Chad | Colombia | Bosnia and Herzegovina | Azerbaijan |
| Congo | Ecuador | Brazil | Georgia |
| Côte d’Ivoire | Gambia | Bulgaria | Iran (Islamic Republic of) |
| Ethiopia | Ghana | Chile | Jordan |
| Iraq | Guatemala | China, Macao SAR | Mexico |
| Madagascar | Kiribati | Costa Rica | Morocco |
| Nigeria | Kyrgyzstan | Croatia | North Macedonia |
| Pakistan | Lao People’s Democratic Republic | Cyprus | Samoa |
| Rwanda | Lebanon | Estonia | Serbia |
| Sierra Leone | Lesotho | Japan | Ukraine |
| Togo | Mongolia | Kazakhstan | |
| Myanmar | Kuwait | ||
| Nepal | Latvia | ||
| Nicaragua | Malaysia | ||
| Paraguay | Montenegro | ||
| Peru | Oman | ||
| Philippines | Republic of Korea | ||
| Sao Tome and Principe | Russian Federation | ||
| Suriname | Slovakia | ||
| Uzbekistan | Tunisia | ||
| Turkmenistan | |||