2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 30 | 56.6% |
2 | Germany | 11 | 20.8% |
3 | China | 7 | 13.2% |
4 | Netherlands | 3 | 5.7% |
5 | Republic of Korea | 2 | 3.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 30 | 56.6% |
2 | Germany | 11 | 20.8% |
3 | China | 7 | 13.2% |
4 | Netherlands | 3 | 5.7% |
5 | Republic of Korea | 2 | 3.8% |