| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 26 |
4.9%
|
| -88 | Refused | 4 |
0.8%
|
| 0 | No | 94 |
17.7%
|
| 1 | Yes | 408 |
76.7%
|
| Missing value | 686 |