| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 2 |
1.1%
|
| 1 | YES | 2 |
1.1%
|
| 2 | NO | 174 |
97.8%
|
| Sysmiss | 7833 |