| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know | 0 |
0%
|
| -98 | Refuse to answer | 0 |
0%
|
| 0 | No | 8 |
18.6%
|
| 1 | Yes | 35 |
81.4%
|
| Sysmiss | 4018 |