2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 8 | 33.3% |
2 | Germany | 5 | 20.8% |
3 | China | 3 | 12.5% |
4 | Netherlands | 2 | 8.3% |
5 | India | 2 | 8.3% |
6 | Japan | 1 | 4.2% |
7 | Korea, Republic of | 1 | 4.2% |
8 | Argentina | 1 | 4.2% |
9 | France | 1 | 4.2% |