| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1131 |
87.2%
|
| 2 | Both | 17 |
1.3%
|
| 3 | Father only | 111 |
8.6%
|
| 4 | Mother only | 7 |
0.5%
|
| 5 | I don't know | 31 |
2.4%
|
| Sysmiss | 11 |