| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 29 |
7%
|
| -88 | Refused | 1 |
0.2%
|
| 0 | No | 319 |
76.9%
|
| 1 | Yes | 66 |
15.9%
|
| Missing value | 346 |