| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 662 |
3.5%
|
| 2 | Improved | 3514 |
18.3%
|
| 3 | Fairly improved | 7158 |
37.3%
|
| 4 | Become worse | 5283 |
27.5%
|
| 5 | Become a lot worse | 2561 |
13.4%
|