| 面积 | 案例的类别号 | |||
| 1 | 2 | 3 | 4 | |
| 列 N% | 列 N% | 列 N% | 列 N% | |
| 30~50 m2 | 0.0% | 0.0% | 0.0% | 1.4% |
| 51~70 m2 | 9.4% | 13.8% | 3.4% | 27.4% |
| 71~90 m2 | 15.6% | 23.1% | 17.2% | 17.8% |
| 91~120 m2 | 53.1% | 44.6% | 65.5% | 39.7% |
| 121~150 m2 | 18.8% | 10.8% | 13.8% | 12.3% |
| 151 m2以上 | 3.1% | 7.7% | 0.0% | 1.4% |
| 合计 | 100.0% | 100.0% | 100.0% | 100.0% |