| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 4 |
0.9%
|
| 1 | Yes | 272 |
59.3%
|
| 2 | Refused | 0 |
0%
|
| 8 | Unknown | 183 |
39.9%
|
| 9 | Missing | 9 | |
| Sysmiss | 3695 |