| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 23 |
2.8%
|
| -66 | -66 (refuse to answer) | 3 |
0.4%
|
| 0 | No | 494 |
59.5%
|
| 1 | Yes | 310 |
37.3%
|
| Sysmiss | 549 |