2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 31.9% |
2 | United States | 22 | 23.4% |
3 | Netherlands | 13 | 13.8% |
4 | Taiwan | 7 | 7.4% |
5 | Korea, Republic of | 5 | 5.3% |
6 | Russia | 4 | 4.3% |
7 | France | 4 | 4.3% |
8 | Canada | 3 | 3.2% |
9 | Italy | 2 | 2.1% |
10 | Czech Republic | 2 | 2.1% |
11 | Hong Kong | 1 | 1.1% |
12 | Ukraine | 1 | 1.1% |