2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 32.7% |
2 | United States | 15 | 28.8% |
3 | Germany | 10 | 19.2% |
4 | India | 3 | 5.8% |
5 | Netherlands | 2 | 3.8% |
6 | Russia | 2 | 3.8% |
7 | Belgium | 1 | 1.9% |
8 | Japan | 1 | 1.9% |
9 | Korea, Republic of | 1 | 1.9% |