2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 47.6% |
2 | Germany | 15 | 35.7% |
3 | China | 5 | 11.9% |
4 | Serbia | 1 | 2.4% |
5 | Taiwan | 1 | 2.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 47.6% |
2 | Germany | 15 | 35.7% |
3 | China | 5 | 11.9% |
4 | Serbia | 1 | 2.4% |
5 | Taiwan | 1 | 2.4% |