2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 17 | 43.6% |
2 | Germany | 11 | 28.2% |
3 | Netherlands | 6 | 15.4% |
4 | China | 3 | 7.7% |
5 | Republic of Korea | 2 | 5.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 17 | 43.6% |
2 | Germany | 11 | 28.2% |
3 | Netherlands | 6 | 15.4% |
4 | China | 3 | 7.7% |
5 | Republic of Korea | 2 | 5.1% |