| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't Know | 4 |
0.1%
|
| -888 | Refuse to Answer | 6 |
0.1%
|
| -777 | Half Complete | 0 |
0%
|
| 0 | No | 156 |
3.4%
|
| 1 | Yes | 4433 |
96.4%
|
| Sysmiss | 406 |