2019 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 40.5% |
2 | United States | 23 | 31.1% |
3 | Germany | 10 | 13.5% |
4 | France | 7 | 9.5% |
5 | Czech Republic | 4 | 5.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 30 | 40.5% |
2 | United States | 23 | 31.1% |
3 | Germany | 10 | 13.5% |
4 | France | 7 | 9.5% |
5 | Czech Republic | 4 | 5.4% |