| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 |
30%
|
| 2 | No | 39 |
65%
|
| 3 | Don't know | 1 |
1.7%
|
| 4 | Refused | 2 |
3.3%
|
| Sysmiss | 940 |