2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 33.3% |
2 | China | 16 | 28.1% |
3 | Germany | 12 | 21.1% |
4 | Netherlands | 4 | 7% |
5 | Republic of Korea | 2 | 3.5% |
6 | Finland | 1 | 1.8% |
7 | Hong Kong | 1 | 1.8% |
8 | Korea, Republic of | 1 | 1.8% |
9 | Malaysia | 1 | 1.8% |