2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 27 | 55.1% |
2 | United States | 13 | 26.5% |
3 | Germany | 6 | 12.2% |
4 | Netherlands | 3 | 6.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 27 | 55.1% |
2 | United States | 13 | 26.5% |
3 | Germany | 6 | 12.2% |
4 | Netherlands | 3 | 6.1% |