| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 7 |
0.1%
|
| -7 | DON'T KNOW | 1190 |
9%
|
| 1 | YES | 9062 |
68.4%
|
| 2 | NO | 2997 |
22.6%
|
| Sysmiss | 7 |