2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 34.1% |
2 | Germany | 13 | 31.7% |
3 | China | 8 | 19.5% |
4 | Netherlands | 6 | 14.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 34.1% |
2 | Germany | 13 | 31.7% |
3 | China | 8 | 19.5% |
4 | Netherlands | 6 | 14.6% |