| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2559 |
58.9%
|
| 2 | NO | 204 |
4.7%
|
| 7 | DON'T KNOW | 1578 |
36.3%
|
| 9 | REFUSED | 4 |
0.1%
|
| Sysmiss | 2 |