| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2316 |
56.8%
|
| 2 | Both | 257 |
6.3%
|
| 3 | Father only | 1327 |
32.5%
|
| 4 | Mother only | 94 |
2.3%
|
| 5 | I don't know | 84 |
2.1%
|
| Sysmiss | 32 |