| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 3034 |
54.4%
|
| 2 | Stayed the same | 1200 |
21.5%
|
| 3 | Gotten worse | 1223 |
21.9%
|
| 4 | Do not know | 117 |
2.1%
|
| Sysmiss | 9 |