| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Refuse to answer | 0 |
0%
|
| 1 | Yes | 1694 |
28.1%
|
| 5 | No | 4327 |
71.9%
|
| 11 | .R | 335 | |
| Sysmiss | 12650 |