| Value | Category | Cases | |
|---|---|---|---|
| -888 | Refuse to Answer | 0 |
0%
|
| -777 | Half Complete | 0 |
0%
|
| 0 | No | 3955 |
84.5%
|
| 1 | Yes | 727 |
15.5%
|
| Sysmiss | 518 |