| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 14 |
0.2%
|
| -7 | DON'T KNOW | 29 |
0.4%
|
| 1 | YES | 3884 |
48.5%
|
| 2 | NO | 4083 |
51%
|
| Sysmiss | 1 |