| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4353 |
44.6%
|
| 2 | NO | 543 |
5.6%
|
| 7 | DON'T KNOW | 4859 |
49.8%
|
| 9 | REFUSED | 9 |
0.1%
|
| Sysmiss | 1 |