| Value | Category | Cases | |
|---|---|---|---|
| 1 | Father =1 and Mother =1 | 11744 |
50.1%
|
| 2 | Father =1 and Mother =2 | 2786 |
11.9%
|
| 3 | Father =2 and Mother =1 | 2060 |
8.8%
|
| 4 | Father =2 and Mother =2 | 6870 |
29.3%
|
| Sysmiss | 1467 |