| Value | Category | Cases | |
|---|---|---|---|
| 1 | Better | 1518 |
74.1%
|
| 2 | More or less the same | 449 |
21.9%
|
| 3 | Worse | 79 |
3.9%
|
| 9 | Missing | 3 |
0.1%
|
| Sysmiss | 3519 |