2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 34 | 32.1% |
2 | United States | 31 | 29.2% |
3 | Germany | 20 | 18.9% |
4 | Netherlands | 16 | 15.1% |
5 | Korea, Republic of | 5 | 4.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 34 | 32.1% |
2 | United States | 31 | 29.2% |
3 | Germany | 20 | 18.9% |
4 | Netherlands | 16 | 15.1% |
5 | Korea, Republic of | 5 | 4.7% |