| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 11 |
0.1%
|
| -7 | DON'T KNOW | 1745 |
13.2%
|
| 1 | YES | 7849 |
59.2%
|
| 2 | NO | 3651 |
27.5%
|
| Sysmiss | 7 |