| Value | Category | Cases | |
|---|---|---|---|
| 1 | improve | 2229 |
45%
|
| 2 | stay the same | 795 |
16%
|
| 3 | get worse | 1233 |
24.9%
|
| 4 | do not know | 697 |
14.1%
|
| Sysmiss | 26 |