| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 4 |
12.1%
|
| 2 | No | 27 |
81.8%
|
| 3 | Don't know | 1 |
3%
|
| 4 | Refused | 1 |
3%
|
| Sysmiss | 967 |