2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 40 | 52.6% |
2 | United States | 19 | 25% |
3 | Germany | 13 | 17.1% |
4 | Netherlands | 4 | 5.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 40 | 52.6% |
2 | United States | 19 | 25% |
3 | Germany | 13 | 17.1% |
4 | Netherlands | 4 | 5.3% |