| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 3 |
0.7%
|
| -88 | Refused | 1 |
0.2%
|
| 0 | No | 334 |
79.1%
|
| 1 | Yes | 84 |
19.9%
|
| Missing value | 796 |