| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 3 |
0.5%
|
| -8 | Refused | 1 |
0.2%
|
| 1 | Yes | 294 |
53.8%
|
| 2 | No | 248 |
45.4%
|
| Sysmiss | 409 |