| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 11 |
0.1%
|
| -7 | DON'T KNOW | 27 |
0.3%
|
| 1 | YES | 1954 |
24.4%
|
| 2 | NO | 6018 |
75.1%
|
| Sysmiss | 1 |