| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 2 |
0.3%
|
| -88 | Refused | 8 |
1.2%
|
| 0 | No | 505 |
73.6%
|
| 1 | Yes | 171 |
24.9%
|
| Missing value | 532 |