| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 570 |
3%
|
| 2 | Improved | 3154 |
16.4%
|
| 3 | Fairly improved | 6418 |
33.4%
|
| 4 | Become worse | 5744 |
29.9%
|
| 5 | Become a lot worse | 3307 |
17.2%
|