| Value | Category | Cases | |
|---|---|---|---|
| -88 | don't know | 5 |
2%
|
| -66 | refuse to answer | 1 |
0.4%
|
| 0 | No | 196 |
78.7%
|
| 1 | Yes | 47 |
18.9%
|
| Sysmiss | 251 |