| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3239 |
76.3%
|
| 2 | NO | 632 |
14.9%
|
| 7 | DON'T KNOW | 363 |
8.5%
|
| 9 | REFUSED | 13 |
0.3%
|
| Sysmiss | 3 |