2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 42.9% |
2 | Germany | 9 | 25.7% |
3 | Netherlands | 6 | 17.1% |
4 | China | 4 | 11.4% |
5 | Republic of Korea | 1 | 2.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 42.9% |
2 | Germany | 9 | 25.7% |
3 | Netherlands | 6 | 17.1% |
4 | China | 4 | 11.4% |
5 | Republic of Korea | 1 | 2.9% |