| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1987 |
39.1%
|
| 2 | Both | 1183 |
23.3%
|
| 3 | Father only | 887 |
17.5%
|
| 4 | Mother only | 924 |
18.2%
|
| 5 | I don't know | 98 |
1.9%
|
| Sysmiss | 74 |