| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 600 |
3.1%
|
| 2 | Improved | 2994 |
15.6%
|
| 3 | Fairly improved | 6121 |
31.9%
|
| 4 | Become worse | 5717 |
29.8%
|
| 5 | Become a lot worse | 3740 |
19.5%
|