| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 9 |
2.2%
|
| -88 | Refused | 1 |
0.2%
|
| 0 | No | 257 |
64.1%
|
| 1 | Yes | 134 |
33.4%
|
| Missing value | 817 |