| Value | Category | Cases | |
|---|---|---|---|
| 1 | Better | 19173 |
31.3%
|
| 2 | More or less the same | 1822 |
3%
|
| 3 | Worse | 173 |
0.3%
|
| 9 | Missing | 73 |
0.1%
|
| Sysmiss | 40045 |
65.3%
|