2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 32.4% |
2 | China | 18 | 26.5% |
3 | Germany | 12 | 17.6% |
4 | Netherlands | 6 | 8.8% |
5 | Republic of Korea | 3 | 4.4% |
6 | Romania | 3 | 4.4% |
7 | Japan | 1 | 1.5% |
8 | Australia | 1 | 1.5% |
9 | Belgium | 1 | 1.5% |
10 | Canada | 1 | 1.5% |