| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 245 |
10.3%
|
| 2 | Worsened | 709 |
29.8%
|
| 3 | Stayed the same | 734 |
30.9%
|
| 4 | Improved | 587 |
24.7%
|
| 5 | Improved a great deal | 101 |
4.3%
|
| 6 | Don't know | 24 |