2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 12 | 33.3% |
2 | United States | 11 | 30.6% |
3 | Germany | 10 | 27.8% |
4 | Netherlands | 2 | 5.6% |
5 | Republic of Korea | 1 | 2.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 12 | 33.3% |
2 | United States | 11 | 30.6% |
3 | Germany | 10 | 27.8% |
4 | Netherlands | 2 | 5.6% |
5 | Republic of Korea | 1 | 2.8% |