2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 4 | 40% |
2 | Germany | 3 | 30% |
3 | Netherlands | 1 | 10% |
4 | Taiwan | 1 | 10% |
5 | United States | 1 | 10% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 4 | 40% |
2 | Germany | 3 | 30% |
3 | Netherlands | 1 | 10% |
4 | Taiwan | 1 | 10% |
5 | United States | 1 | 10% |