2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 13 | 35.1% |
2 | Germany | 9 | 24.3% |
3 | China | 5 | 13.5% |
4 | Netherlands | 5 | 13.5% |
5 | Republic of Korea | 1 | 2.7% |
6 | United Kingdom | 1 | 2.7% |
7 | Australia | 1 | 2.7% |
8 | Finland | 1 | 2.7% |
9 | Korea, Republic of | 1 | 2.7% |