Table 2.
Top 11 Countries/Regions in Terms of Number of Publications and Intermediary Centrality
| Rank. | Country/Region | Counts | Centrality | Year | Country/Region | Counts | Centrality | Year |
|---|---|---|---|---|---|---|---|---|
| 1 | USA | 675 | 0.23 | 1976 | URUGUAY | 2 | 1.31 | 2012 |
| 2 | PEOPLES R CHINA | 256 | 0 | 1997 | SWEDEN | 57 | 0.59 | 1995 |
| 3 | ENGLAND | 222 | 0.04 | 1995 | SAUDI ARABIA. | 7 | 0.41 | 2010 |
| 4 | JAPAN | 168 | 0.04 | 1998 | NEW ZEALAND | 19 | 0.4 | 2007 |
| 5 | SPAIN | 147 | 0 | 1997 | ICELAND. | 4 | 0.34 | 2012 |
| 6 | GERMANY | 122 | 0.1 | 2000 | FINLAND | 18 | 0.33 | 1998 |
| 7 | CANADA | 121 | 0 | 2001 | PAKISTAN. | 7 | 0.3 | 2015 |
| 8 | ITALY | 112 | 0 | 1994 | ISRAEL | 16 | 0.29 | 2001 |
| 9 | NETHERLANDS | 111 | 0.1 | 1997 | SINGAPORE. | 10 | 0.23 | 2008 |
| 10 | SOUTH KOREA | 97 | 0 | 2000 | ESTONIA. | 4 | 0.2 | 2011 |
| 11 | AUSTRALIA | 75 | 0.04 | 1994 | FRANCE | 67 | 0.2 | 1997 |