| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 830 |
41.3%
|
| 2 | Both | 228 |
11.3%
|
| 3 | Father only | 802 |
39.9%
|
| 4 | Mother only | 47 |
2.3%
|
| 5 | I don't know | 105 |
5.2%
|
| Sysmiss | 40 |