| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 2 |
0.6%
|
| -88 | Refused | 1 |
0.3%
|
| 0 | No | 35 |
10.2%
|
| 1 | Yes | 306 |
89%
|
| Missing value | 417 |