| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 35 |
0.4%
|
| -7 | DON'T KNOW | 183 |
2.3%
|
| 1 | YES | 1984 |
24.8%
|
| 2 | NO | 5799 |
72.5%
|
| Sysmiss | 10 |