| Organization | Documents |
| USA | 456 |
| China | 388 |
| England | 273 |
| Germany | 149 |
| Italy | 138 |
| Spain | 124 |
| Canada | 112 |
| Australia | 105 |
| Netherlands | 98 |
| Brazil | 91 |
| France | 81 |
| Iran | 76 |
| Switzerland | 66 |
| Poland | 63 |
| Sweden | 63 |
| Turkey | 61 |
| Austria | 53 |
| Denmark | 50 |