| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 3 |
0.6%
|
| 1 | YES | 111 |
21.5%
|
| 2 | NO | 403 |
77.9%
|
| Sysmiss | 8639 |