| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 9099 |
24.2%
|
| 2 | More or less the same | 4818 |
12.8%
|
| 3 | Worsened | 540 |
1.4%
|
| 9 | Missing | 79 |
0.2%
|
| Sysmiss | 23133 |
61.4%
|