2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 46.5% |
2 | Germany | 10 | 23.3% |
3 | China | 6 | 14% |
4 | Netherlands | 6 | 14% |
5 | Korea, Republic of | 1 | 2.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 46.5% |
2 | Germany | 10 | 23.3% |
3 | China | 6 | 14% |
4 | Netherlands | 6 | 14% |
5 | Korea, Republic of | 1 | 2.3% |