2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 135 | 57% |
2 | United States | 55 | 23.2% |
3 | Germany | 28 | 11.8% |
4 | Netherlands | 12 | 5.1% |
5 | Korea, Republic of | 2 | 0.8% |
6 | Russia | 1 | 0.4% |
7 | Ukraine | 1 | 0.4% |
8 | Hong Kong | 1 | 0.4% |
9 | Italy | 1 | 0.4% |
10 | Estonia | 1 | 0.4% |