2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 21 | 50% |
2 | Germany | 9 | 21.4% |
3 | China | 6 | 14.3% |
4 | Netherlands | 4 | 9.5% |
5 | Republic of Korea | 2 | 4.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 21 | 50% |
2 | Germany | 9 | 21.4% |
3 | China | 6 | 14.3% |
4 | Netherlands | 4 | 9.5% |
5 | Republic of Korea | 2 | 4.8% |