序号 | 国家 | 发文量 | 引用数 | 连接强度 |
1 | USA | 58 | 2105 | 180 |
2 | England | 36 | 1051 | 108 |
3 | France | 20 | 626 | 158 |
4 | Italy | 17 | 251 | 124 |
5 | Germany | 11 | 177 | 5 |
6 | Spain | 11 | 508 | 72 |
7 | Switzerland | 10 | 243 | 31 |
8 | Canada | 9 | 521 | 52 |
9 | Japan | 9 | 313 | 6 |
10 | China | 8 | 78 | 3 |