| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0.2%
|
| -88 | Refused | 7 |
1.5%
|
| 0 | No | 289 |
63.7%
|
| 1 | Yes | 157 |
34.6%
|
| Missing value | 307 |