| Value | Category | Cases | |
|---|---|---|---|
| -88 | don't know | 0 |
0%
|
| -66 | refuse to answer | 1 |
0.2%
|
| 0 | No | 90 |
18.4%
|
| 1 | Yes | 397 |
81.4%
|
| Sysmiss | 12 |