2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 25 | 49% |
2 | United States | 12 | 23.5% |
3 | Germany | 9 | 17.6% |
4 | Netherlands | 4 | 7.8% |
5 | Taiwan | 1 | 2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 25 | 49% |
2 | United States | 12 | 23.5% |
3 | Germany | 9 | 17.6% |
4 | Netherlands | 4 | 7.8% |
5 | Taiwan | 1 | 2% |