| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | Do not know | 0 |
0%
|
| 0 | No | 3202 |
50.9%
|
| 1 | Yes | 3094 |
49.1%
|
| Sysmiss | 4762 |