| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 7 |
0.1%
|
| -7 | DON'T KNOW | 68 |
0.8%
|
| 1 | YES | 7829 |
97.9%
|
| 2 | NO | 97 |
1.2%
|
| Sysmiss | 10 |