2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 36.7% |
2 | Germany | 12 | 24.5% |
3 | Netherlands | 5 | 10.2% |
4 | China | 5 | 10.2% |
5 | Romania | 3 | 6.1% |
6 | Spain | 1 | 2% |
7 | United Kingdom | 1 | 2% |
8 | Republic of Korea | 1 | 2% |
9 | India | 1 | 2% |
10 | Iran | 1 | 2% |
11 | Ireland | 1 | 2% |