2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 35 | 55.6% |
2 | China | 14 | 22.2% |
3 | Netherlands | 4 | 6.3% |
4 | Republic of Korea | 3 | 4.8% |
5 | France | 2 | 3.2% |
6 | Germany | 2 | 3.2% |
7 | India | 1 | 1.6% |
8 | Korea, Republic of | 1 | 1.6% |
9 | Finland | 1 | 1.6% |