| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1608 |
59.8%
|
| 1 | Yes | 364 |
13.5%
|
| 2 | Refused | 2 |
0.1%
|
| 8 | Unknown | 715 |
26.6%
|
| 9 | Missing | 1375 | |
| Sysmiss | 99 |