| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 2231 |
38.9%
|
| 2 | Stayed the same | 2246 |
39.2%
|
| 3 | Gotten worse | 1215 |
21.2%
|
| 8 | Do not know | 38 |
0.7%
|
| Sysmiss | 4 |