| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 559 |
23.9%
|
| 2 | Worsened somewhat | 426 |
18.2%
|
| 3 | Stayed the same | 712 |
30.4%
|
| 4 | Improved somewhat | 509 |
21.8%
|
| 5 | Improved a great deal | 134 |
5.7%
|
| 6 | Don't know | 60 |