2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 185 | 61.9% |
2 | United States | 40 | 13.4% |
3 | Germany | 34 | 11.4% |
4 | Netherlands | 13 | 4.3% |
5 | Taiwan | 10 | 3.3% |
6 | Korea, Republic of | 7 | 2.3% |
7 | Russia | 5 | 1.7% |
8 | Bulgaria | 3 | 1% |
9 | Singapore | 2 | 0.7% |