| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3378 |
79.6%
|
| 2 | NO | 276 |
6.5%
|
| 7 | DON'T KNOW | 583 |
13.7%
|
| 9 | REFUSED | 9 |
0.2%
|
| Sysmiss | 4 |