| Value | Category | Cases | |
|---|---|---|---|
| -88 | don't know | 1 |
0.4%
|
| -66 | refuse to answer | 0 |
0%
|
| 0 | No | 226 |
80.7%
|
| 1 | Yes | 53 |
18.9%
|
| Sysmiss | 220 |