2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 87 | 65.4% |
2 | China | 24 | 18% |
3 | Germany | 10 | 7.5% |
4 | Finland | 3 | 2.3% |
5 | France | 3 | 2.3% |
6 | Republic of Korea | 3 | 2.3% |
7 | Canada | 1 | 0.8% |
8 | India | 1 | 0.8% |
9 | Korea, Republic of | 1 | 0.8% |