| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 0 |
0%
|
| -66 | -66 (refuse to answer) | 5 |
1.3%
|
| 0 | No | 319 |
84.8%
|
| 1 | Yes | 52 |
13.8%
|
| Sysmiss | 1003 |