| 6 months ago |  22.1% |
| 1 year ago |  19.0% |
| 2 years ago |  14.0% |
| 3 years ago |  8.3% |
| 4 years ago |  4.5% |
| 5 years ago |  5.3% |
| 6-10 years ago |  5.7% |
| Over 10 years ago |  3.0% |
| My walls don't need painting |  5.3% |
| I live in an ice-house |  12.9% |
