| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 1715 |
42.6%
|
| 2 | More or less the same | 1977 |
49.1%
|
| 3 | Worsened | 330 |
8.2%
|
| 9 | Missing | 3 |
0.1%
|
| Sysmiss | 1160 |