| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 4462 |
50.2%
|
| 1 | Yes | 1113 |
12.5%
|
| 998 | Don't know | 3305 |
37.2%
|
| 999 | Refused | 2 |
0%
|
| Sysmiss | 18105 |