| Value | Category | Cases | |
|---|---|---|---|
| 1 | Better | 12672 |
33.6%
|
| 2 | More or less the same | 1627 |
4.3%
|
| 3 | Worse | 145 |
0.4%
|
| 9 | Missing | 92 |
0.2%
|
| Sysmiss | 23133 |
61.4%
|