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Top countries with more than 10 collaborations.
| Ranks | Countries | Records |
|---|---|---|
| 1 | USA | 46 |
| 2 | United Kingdom | 35 |
| 3 | France | 31 |
| 4 | Germany | 28 |
| 5 | Canada | 25 |
| 6 | Switzerland | 23 |
| 7 | Netherlands | 21 |
| 8 | Australia | 20 |
| 9 | Belgium | 20 |
| 10 | Austria | 18 |
| 11 | South Africa | 18 |
| 12 | Israel | 16 |
| 13 | Norway | 16 |
| 14 | Argentina | 15 |
| 15 | China | 15 |
| 16 | Finland | 15 |
| 17 | Italy | 14 |
| 18 | Denmark | 13 |
| 19 | Greece | 13 |
| 20 | Ireland | 12 |
| 21 | Japan | 11 |
