| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 8975 |
71.7%
|
| 2 | More or less the same | 2453 |
19.6%
|
| 3 | Worsened | 1068 |
8.5%
|
| 9 | Missing | 29 |
0.2%
|
| Sysmiss | 23651 |