| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1948 |
65.7%
|
| 2 | Both | 310 |
10.5%
|
| 3 | Father only | 371 |
12.5%
|
| 4 | Mother only | 27 |
0.9%
|
| 5 | I don't know | 307 |
10.4%
|
| Sysmiss | 74 |