| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 2 |
0%
|
| -7 | DON'T KNOW | 5 |
0.1%
|
| 1 | YES | 1413 |
31.5%
|
| 2 | NO | 3071 |
68.4%
|
| Sysmiss | 4665 |