2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 43 | 48.3% |
2 | United States | 19 | 21.3% |
3 | Germany | 8 | 9% |
4 | France | 7 | 7.9% |
5 | Netherlands | 7 | 7.9% |
6 | India | 2 | 2.2% |
7 | Czech Republic | 1 | 1.1% |
8 | Russia | 1 | 1.1% |
9 | South Africa | 1 | 1.1% |