2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 45.5% |
2 | Germany | 10 | 22.7% |
3 | China | 8 | 18.2% |
4 | Netherlands | 6 | 13.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 45.5% |
2 | Germany | 10 | 22.7% |
3 | China | 8 | 18.2% |
4 | Netherlands | 6 | 13.6% |