| Value | Category |
|---|---|
| 0 | 0 not defined |
| 1 | 1 wife / husband |
| 2 | 2 Son / Daughter |
| 3 | 3 daughter-in-law/son-in-law |
| 4 | 4 father / mother |
| 5 | 5 parents of the wife / husband |
| 6 | 6 Brother / Sister |
| 7 | 7 grandson / granddaughter |
| 8 | 8 grandfather / grandmother |
| 9 | 9 other type of relationship |
| 10 | 10 non-relatives |
| 21 | |
| 24 | |
| 99 |