| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7 |
10.9%
|
| 2 | No | 41 |
64.1%
|
| 8 | Don't know | 16 |
25%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 936 |