2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 38 | 62.3% |
2 | China | 11 | 18% |
3 | Germany | 6 | 9.8% |
4 | France | 4 | 6.6% |
5 | Switzerland | 2 | 3.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 38 | 62.3% |
2 | China | 11 | 18% |
3 | Germany | 6 | 9.8% |
4 | France | 4 | 6.6% |
5 | Switzerland | 2 | 3.3% |