2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 65.2% |
2 | United States | 10 | 21.7% |
3 | Germany | 4 | 8.7% |
4 | Netherlands | 2 | 4.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 65.2% |
2 | United States | 10 | 21.7% |
3 | Germany | 4 | 8.7% |
4 | Netherlands | 2 | 4.3% |