2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 74 | 34.7% |
2 | China | 67 | 31.5% |
3 | Germany | 25 | 11.7% |
4 | Netherlands | 13 | 6.1% |
5 | Russia | 9 | 4.2% |
6 | Korea, Republic of | 6 | 2.8% |
7 | Senegal | 5 | 2.3% |
8 | Norway | 4 | 1.9% |
9 | France | 3 | 1.4% |
10 | Nigeria | 2 | 0.9% |
11 | Switzerland | 1 | 0.5% |
12 | Brazil | 1 | 0.5% |
13 | Canada | 1 | 0.5% |
14 | Malaysia | 1 | 0.5% |
15 | Hungary | 1 | 0.5% |