| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't Know | 14 |
0.3%
|
| -888 | Refuse to Answer | 3 |
0.1%
|
| -777 | Half Complete | 444 |
8.9%
|
| 0 | No | 838 |
16.8%
|
| 1 | Yes | 3703 |
74%
|
| Sysmiss | 3 |