| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1594 |
66.5%
|
| 2 | Both | 69 |
2.9%
|
| 3 | Father only | 414 |
17.3%
|
| 4 | Mother only | 44 |
1.8%
|
| 5 | I don't know | 276 |
11.5%
|
| Sysmiss | 18 |