| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 4 |
0%
|
| -7 | DON'T KNOW | 1215 |
9.2%
|
| 1 | YES | 11140 |
84%
|
| 2 | NO | 897 |
6.8%
|
| Sysmiss | 7 |