2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 27.9% |
2 | China | 11 | 25.6% |
3 | Netherlands | 10 | 23.3% |
4 | Germany | 9 | 20.9% |
5 | Republic of Korea | 1 | 2.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 27.9% |
2 | China | 11 | 25.6% |
3 | Netherlands | 10 | 23.3% |
4 | Germany | 9 | 20.9% |
5 | Republic of Korea | 1 | 2.3% |