| Value | Category | Cases | |
|---|---|---|---|
| -888 | Refuse to Answer | 35 |
0.7%
|
| -777 | Half Complete | 0 |
0%
|
| 0 | No | 991 |
20.9%
|
| 1 | Yes | 3719 |
78.4%
|
| Sysmiss | 455 |