| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 33 |
0.3%
|
| -7 | DON'T KNOW | 369 |
3.5%
|
| 1 | YES | 635 |
5.9%
|
| 2 | NO | 9636 |
90.3%
|
| Sysmiss | 4 |