2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 64 | 68.8% |
2 | Germany | 11 | 11.8% |
3 | China | 5 | 5.4% |
4 | India | 3 | 3.2% |
5 | Netherlands | 3 | 3.2% |
6 | Republic of Korea | 2 | 2.2% |
7 | France | 2 | 2.2% |
8 | Taiwan | 1 | 1.1% |
9 | Ireland | 1 | 1.1% |
10 | Finland | 1 | 1.1% |