| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 131 |
80.4%
|
| 2 | Both | 5 |
3.1%
|
| 3 | Father only | 16 |
9.8%
|
| 4 | Mother only | 0 |
0%
|
| 5 | I don't know | 11 |
6.7%
|
| Sysmiss | 4 |