2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 11 | 39.3% |
2 | China | 8 | 28.6% |
3 | India | 2 | 7.1% |
4 | Korea, Republic of | 2 | 7.1% |
5 | Moldova, Republic of | 1 | 3.6% |
6 | Netherlands | 1 | 3.6% |
7 | Russia | 1 | 3.6% |
8 | Finland | 1 | 3.6% |
9 | Germany | 1 | 3.6% |