| Value | Category | Cases | |
|---|---|---|---|
| 0 | same | 425 |
61.5%
|
| 1 | increase | 85 |
12.3%
|
| 2 | decrease | 148 |
21.4%
|
| 8 | dk | 33 |
4.8%
|
| Sysmiss | 4730 |