2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 44.7% |
2 | United States | 13 | 34.2% |
3 | Germany | 4 | 10.5% |
4 | France | 3 | 7.9% |
5 | Czech Republic | 1 | 2.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 44.7% |
2 | United States | 13 | 34.2% |
3 | Germany | 4 | 10.5% |
4 | France | 3 | 7.9% |
5 | Czech Republic | 1 | 2.6% |