| Value | Category | Cases | |
|---|---|---|---|
| -888 | Refuse to Answer | 2 |
0.1%
|
| -777 | Half Complete | 153 |
8.4%
|
| 0 | No | 1185 |
65.1%
|
| 1 | Yes | 480 |
26.4%
|
| Sysmiss | 3185 |