| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 39 |
72.2%
|
| 1 | Yes | 15 |
27.8%
|
| 2 | Refused | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 1 | |
| Sysmiss | 810 |