2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 51.2% |
2 | Germany | 10 | 23.3% |
3 | Netherlands | 5 | 11.6% |
4 | China | 5 | 11.6% |
5 | Republic of Korea | 1 | 2.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 51.2% |
2 | Germany | 10 | 23.3% |
3 | Netherlands | 5 | 11.6% |
4 | China | 5 | 11.6% |
5 | Republic of Korea | 1 | 2.3% |