| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 1 |
0.7%
|
| -66 | -66 (refuse to answer) | 2 |
1.3%
|
| 0 | No | 125 |
83.3%
|
| 1 | Yes | 22 |
14.7%
|
| Sysmiss | 1229 |