2017 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 18 | 60% |
2 | United States | 7 | 23.3% |
3 | China | 4 | 13.3% |
4 | South Africa | 1 | 3.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 18 | 60% |
2 | United States | 7 | 23.3% |
3 | China | 4 | 13.3% |
4 | South Africa | 1 | 3.3% |