| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 46 |
0.6%
|
| -7 | DON'T KNOW | 27 |
0.3%
|
| 1 | YES | 41 |
0.5%
|
| 2 | NO | 7887 |
98.6%
|
| Sysmiss | 10 |