| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 8 |
0.5%
|
| 1 | YES | 156 |
9.1%
|
| 2 | NO | 1558 |
90.5%
|
| Sysmiss | 4589 |