| Value | Category | Cases | |
|---|---|---|---|
| -9 | > 3years | 6 |
5.1%
|
| -8 | dk | 1 |
0.9%
|
| 0 | 64 |
54.7%
|
|
| 1 | 28 |
23.9%
|
|
| 2 | 15 |
12.8%
|
|
| 3 | 3 |
2.6%
|
|
| Sysmiss | 372 |