2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 36.7% |
2 | Germany | 13 | 26.5% |
3 | China | 5 | 10.2% |
4 | Austria | 4 | 8.2% |
5 | Netherlands | 4 | 8.2% |
6 | Republic of Korea | 2 | 4.1% |
7 | United Kingdom | 1 | 2% |
8 | Ecuador | 1 | 2% |
9 | Korea, Republic of | 1 | 2% |