城市等级 | 1低档 | 2中档 | 3高档 | 总计 |
1一线 | 24% | 64% | 12% | 100% |
2二线 | 28% | 63% | 9% | 100% |
3三线 | 34% | 58% | 7% | 100% |
4四线 | 38% | 57% | 5% | 100% |