| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 47 |
7.4%
|
| -88 | Refused | 0 |
0%
|
| 0 | No | 248 |
38.9%
|
| 1 | Yes | 343 |
53.8%
|
| Missing value | 580 |