| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1502 |
61.1%
|
| 2 | Both | 264 |
10.7%
|
| 3 | Father only | 320 |
13%
|
| 4 | Mother only | 210 |
8.5%
|
| 5 | I don't know | 163 |
6.6%
|
| Sysmiss | 62 |