2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 32 | 43.8% |
2 | United States | 16 | 21.9% |
3 | Germany | 13 | 17.8% |
4 | Netherlands | 6 | 8.2% |
5 | Republic of Korea | 2 | 2.7% |
6 | Russia | 2 | 2.7% |
7 | United Arab Emirates | 1 | 1.4% |
8 | Korea, Republic of | 1 | 1.4% |