2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 32.9% |
2 | China | 16 | 22.9% |
3 | Germany | 12 | 17.1% |
4 | India | 4 | 5.7% |
5 | Netherlands | 4 | 5.7% |
6 | Iran, Islamic Republic of | 3 | 4.3% |
7 | Austria | 3 | 4.3% |
8 | Japan | 2 | 2.9% |
9 | Hong Kong | 1 | 1.4% |
10 | 1 | 1.4% | |
11 | Finland | 1 | 1.4% |