| Value | Category | Cases | |
|---|---|---|---|
| 1 | Better | 558 |
90.3%
|
| 2 | More or less the same | 55 |
8.9%
|
| 3 | Worse | 2 |
0.3%
|
| 9 | Missing | 3 |
0.5%
|
| Sysmiss | 1011 |