| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (don't know) | 6 |
5.7%
|
| -66 | -66 (refuse to answer) | 2 |
1.9%
|
| 0 | No | 95 |
90.5%
|
| 1 | Yes | 2 |
1.9%
|
| Sysmiss | 1011 |