| Monthly household income ($) | 2016 | 2017 | 2018 | |||
| (i) | (ii) | (i) | (ii) | (i) | (ii) | |
| 5,000 or below | ||||||
| 5,001 to 10,000 | ||||||
| 10,001 to 20,000 | ||||||
| 20,001 to 30,000 | ||||||
| 30,001 to 40,000 | ||||||
| 40,001 to 50,000 | ||||||
| 50,001 or above | ||||||
| Total: | 100% | 100% | 100% | |||
| Problem | (i) | (ii) | (iii) | (iv) |
| Water seepage on the wall | ||||
| Water seepage on the ceiling | ||||
| Window problems | ||||
| ... | ||||
| Other problems | ||||
| Total: | Not applicable | Not applicable |