2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 82 | 43.4% |
2 | China | 79 | 41.8% |
3 | Germany | 10 | 5.3% |
4 | Netherlands | 8 | 4.2% |
5 | Korea, Republic of | 4 | 2.1% |
6 | Russia | 3 | 1.6% |
7 | Ukraine | 1 | 0.5% |
8 | India | 1 | 0.5% |
9 | Egypt | 1 | 0.5% |