| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7 |
15.6%
|
| 2 | No | 31 |
68.9%
|
| 3 | Don't know | 3 |
6.7%
|
| 4 | Refused | 4 |
8.9%
|
| Sysmiss | 955 |