| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -88 | Refused | 1 |
0.2%
|
| 0 | No | 83 |
19.3%
|
| 1 | Yes | 345 |
80.4%
|
| Missing value | 332 |