| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2711 |
40.1%
|
| 2 | NO | 1507 |
22.3%
|
| 7 | DON'T KNOW | 2547 |
37.6%
|
| 9 | REFUSED | 3 |
0%
|
| Sysmiss | 2 |