2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 42.2% |
2 | China | 11 | 24.4% |
3 | Germany | 11 | 24.4% |
4 | Netherlands | 3 | 6.7% |
5 | Republic of Korea | 1 | 2.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 42.2% |
2 | China | 11 | 24.4% |
3 | Germany | 11 | 24.4% |
4 | Netherlands | 3 | 6.7% |
5 | Republic of Korea | 1 | 2.2% |