2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 30 | 57.7% |
2 | Germany | 10 | 19.2% |
3 | China | 7 | 13.5% |
4 | Netherlands | 4 | 7.7% |
5 | Republic of Korea | 1 | 1.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 30 | 57.7% |
2 | Germany | 10 | 19.2% |
3 | China | 7 | 13.5% |
4 | Netherlands | 4 | 7.7% |
5 | Republic of Korea | 1 | 1.9% |