2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 16 | 47.1% |
2 | Germany | 9 | 26.5% |
3 | China | 6 | 17.6% |
4 | Netherlands | 3 | 8.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 16 | 47.1% |
2 | Germany | 9 | 26.5% |
3 | China | 6 | 17.6% |
4 | Netherlands | 3 | 8.8% |