| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 10 |
0.1%
|
| -7 | DON'T KNOW | 193 |
1.5%
|
| 1 | YES | 4945 |
37.3%
|
| 2 | NO | 8105 |
61.2%
|
| Sysmiss | 10 |