| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2715 |
20%
|
| 2 | NO | 10866 |
79.9%
|
| 7 | DON'T KNOW | 9 |
0.1%
|
| 9 | REFUSED | 11 |
0.1%
|
| Sysmiss | 16 |