| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 0 |
0%
|
| -7 | -7. father and mother included | 0 |
0%
|
| 850 | 1 |
25%
|
|
| 1200 | 1 |
25%
|
|
| 1500 | 1 |
25%
|
|
| 2500 | 1 |
25%
|
|
| Sysmiss | 95 |