| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 1 |
0%
|
| -7 | DON'T KNOW | 7 |
0.1%
|
| 1 | YES | 3840 |
29%
|
| 2 | NO | 9414 |
71%
|
| Sysmiss | 1 |