| Order | Country | Amount of Papers | Order | Country | Amount of Papers |
| 1 | USA | 2399 | 6 | Netherlands | 170 |
| 2 | England | 374 | 7 | France | 152 |
| 3 | Germany | 278 | 8 | Switzerland | 135 |
| 4 | China | 239 | 9 | Australia | 133 |
| 5 | Canada | 238 | 10 | Italy | 131 |