| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1259 |
68.7%
|
| 2 | Both | 176 |
9.6%
|
| 3 | Father only | 191 |
10.4%
|
| 4 | Mother only | 135 |
7.4%
|
| 5 | I don't know | 72 |
3.9%
|
| Sysmiss | 2 |