2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 48.7% |
2 | Germany | 10 | 25.6% |
3 | China | 5 | 12.8% |
4 | Netherlands | 3 | 7.7% |
5 | Republic of Korea | 2 | 5.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 48.7% |
2 | Germany | 10 | 25.6% |
3 | China | 5 | 12.8% |
4 | Netherlands | 3 | 7.7% |
5 | Republic of Korea | 2 | 5.1% |