| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1455 |
42.4%
|
| 2 | Both | 391 |
11.4%
|
| 3 | Father only | 1383 |
40.3%
|
| 4 | Mother only | 119 |
3.5%
|
| 5 | Don't know | 81 |
2.4%
|
| Sysmiss | 45 |