| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 10 |
0.1%
|
| -7 | DON'T KNOW | 2830 |
35.4%
|
| 1 | YES | 4125 |
51.6%
|
| 2 | NO | 1036 |
12.9%
|
| Sysmiss | 10 |