2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 32.4% |
2 | China | 11 | 29.7% |
3 | Germany | 9 | 24.3% |
4 | Netherlands | 5 | 13.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 32.4% |
2 | China | 11 | 29.7% |
3 | Germany | 9 | 24.3% |
4 | Netherlands | 5 | 13.5% |