2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 36% |
2 | Germany | 13 | 26% |
3 | China | 12 | 24% |
4 | France | 1 | 2% |
5 | Brazil | 1 | 2% |
6 | Hashemite Kingdom of Jordan | 1 | 2% |
7 | Japan | 1 | 2% |
8 | Netherlands | 1 | 2% |
9 | Norway | 1 | 2% |
10 | Republic of Korea | 1 | 2% |