| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 1 |
0.1%
|
| 1 | YES | 15 |
2%
|
| 2 | NO | 742 |
97.9%
|
| Sysmiss | 5553 |