2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 56% |
2 | China | 7 | 28% |
3 | Germany | 1 | 4% |
4 | Italy | 1 | 4% |
5 | Spain | 1 | 4% |
6 | Switzerland | 1 | 4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 56% |
2 | China | 7 | 28% |
3 | Germany | 1 | 4% |
4 | Italy | 1 | 4% |
5 | Spain | 1 | 4% |
6 | Switzerland | 1 | 4% |