2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 22 | 30.6% |
2 | United States | 22 | 30.6% |
3 | Germany | 12 | 16.7% |
4 | Netherlands | 5 | 6.9% |
5 | Taiwan | 5 | 6.9% |
6 | Romania | 3 | 4.2% |
7 | Canada | 1 | 1.4% |
8 | Republic of Korea | 1 | 1.4% |
9 | Israel | 1 | 1.4% |