| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 633 |
6.6%
|
| 2 | NO | 6871 |
71.4%
|
| 7 | DON'T KNOW | 2111 |
21.9%
|
| 9 | REFUSED | 12 |
0.1%
|
| Sysmiss | 2 |