2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 52.4% |
2 | Germany | 11 | 26.2% |
3 | Netherlands | 5 | 11.9% |
4 | China | 3 | 7.1% |
5 | Republic of Korea | 1 | 2.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 52.4% |
2 | Germany | 11 | 26.2% |
3 | Netherlands | 5 | 11.9% |
4 | China | 3 | 7.1% |
5 | Republic of Korea | 1 | 2.4% |