| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0.3%
|
| -98 | Refused to answer | 0 |
0%
|
| 0 | No | 37 |
10.5%
|
| 1 | Yes | 313 |
89.2%
|
| Sysmiss | 841 |