| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 47 |
0.6%
|
| -7 | DON'T KNOW | 33 |
0.4%
|
| 1 | YES | 2159 |
27%
|
| 2 | NO | 5762 |
72%
|
| Sysmiss | 10 |