| Value | Category | Cases | |
|---|---|---|---|
| 1 | improve | 2103 |
42.6%
|
| 2 | stay the same | 976 |
19.7%
|
| 3 | get worse | 1223 |
24.7%
|
| 4 | do not know | 640 |
13%
|
| Sysmiss | 38 |