2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 32 | 36% |
2 | China | 25 | 28.1% |
3 | Netherlands | 17 | 19.1% |
4 | Canada | 8 | 9% |
5 | Germany | 6 | 6.7% |
6 | Iran, Islamic Republic of | 1 | 1.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 32 | 36% |
2 | China | 25 | 28.1% |
3 | Netherlands | 17 | 19.1% |
4 | Canada | 8 | 9% |
5 | Germany | 6 | 6.7% |
6 | Iran, Islamic Republic of | 1 | 1.1% |