2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 43.9% |
2 | Germany | 11 | 26.8% |
3 | China | 7 | 17.1% |
4 | Netherlands | 4 | 9.8% |
5 | Korea, Republic of | 1 | 2.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 43.9% |
2 | Germany | 11 | 26.8% |
3 | China | 7 | 17.1% |
4 | Netherlands | 4 | 9.8% |
5 | Korea, Republic of | 1 | 2.4% |