| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 469 |
2.4%
|
| 2 | Improved | 2492 |
13%
|
| 3 | Fairly improved | 5779 |
30.1%
|
| 4 | Become worse | 6672 |
34.7%
|
| 5 | Become a lot worse | 3815 |
19.8%
|