| Value | Category | Cases | |
|---|---|---|---|
| -88 | don't know | 13 |
2.6%
|
| -66 | refuse to answer | 0 |
0%
|
| 0 | No | 435 |
87.3%
|
| 1 | Yes | 50 |
10%
|
| Sysmiss | 2 |