| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 8 |
1.2%
|
| -88 | Refused | 11 |
1.6%
|
| 0 | No | 461 |
67.2%
|
| 1 | Yes | 206 |
30%
|
| Missing value | 532 |