| Value | Category | Cases | |
|---|---|---|---|
| 1 | Better | 1807 |
91.2%
|
| 2 | More or less the same | 154 |
7.8%
|
| 3 | Worse | 18 |
0.9%
|
| 9 | Missing | 3 |
0.2%
|
| Sysmiss | 3019 |