2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 28 | 50.9% |
2 | China | 13 | 23.6% |
3 | Germany | 10 | 18.2% |
4 | Netherlands | 4 | 7.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 28 | 50.9% |
2 | China | 13 | 23.6% |
3 | Germany | 10 | 18.2% |
4 | Netherlands | 4 | 7.3% |