2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 31 | 39.2% |
2 | China | 19 | 24.1% |
3 | Netherlands | 13 | 16.5% |
4 | Korea, Republic of | 6 | 7.6% |
5 | Australia | 4 | 5.1% |
6 | Canada | 2 | 2.5% |
7 | Germany | 2 | 2.5% |
8 | Japan | 1 | 1.3% |
9 | Czech Republic | 1 | 1.3% |