2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 187 | 68% |
2 | Germany | 42 | 15.3% |
3 | United States | 33 | 12% |
4 | Canada | 4 | 1.5% |
5 | Ukraine | 2 | 0.7% |
6 | Iran, Islamic Republic of | 2 | 0.7% |
7 | Brazil | 2 | 0.7% |
8 | Australia | 1 | 0.4% |
9 | Hong Kong | 1 | 0.4% |
10 | Russia | 1 | 0.4% |