| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 12982 |
21.2%
|
| 2 | More or less the same | 6910 |
11.3%
|
| 3 | Worsened | 1293 |
2.1%
|
| 9 | Missing | 56 |
0.1%
|
| Sysmiss | 40045 |
65.3%
|