| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 273 |
11.6%
|
| 2 | Worsened | 659 |
28.1%
|
| 3 | Stayed the same | 740 |
31.5%
|
| 4 | Improved | 576 |
24.5%
|
| 5 | Improved a great deal | 100 |
4.3%
|
| 6 | Don't know | 52 |