| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 42 |
0.5%
|
| -7 | DON'T KNOW | 17 |
0.2%
|
| 1 | YES | 2366 |
29.6%
|
| 2 | NO | 5576 |
69.7%
|
| Sysmiss | 10 |