| Country | No. |
|---|---|
| United States | 154104 |
| China | 83394 |
| Japan | 47391 |
| Germany | 46719 |
| United Kingdom | 40605 |
| France | 37152 |
| Canada | 26143 |
| Italy | 25694 |
| India | 25487 |
| Spain | 23720 |
| South Korea | 22509 |
| Russia | 20130 |
| Australia | 16739 |
| Brazil | 15068 |
| Taiwan | 13889 |
| Poland | 12025 |
| Netherlands | 11448 |
| Switzerland | 10630 |
| Sweden | 8947 |
| Turkey | 8905 |
Source: Observatoire des sciences et des technologies