| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 |
0%
|
| -88 | Don't know | 0 |
0%
|
| 1 | Biological sibling | 95 |
99%
|
| 2 | Step sibling | 1 |
1%
|
| 3 | Adopted sibling | 0 |
0%
|
| 4 | Other | 0 |
0%
|
| Sysmiss | 63 |