| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 837 |
8.7%
|
| 2 | NO | 6512 |
67.7%
|
| 7 | DON'T KNOW | 2266 |
23.6%
|
| 9 | REFUSED | 7 |
0.1%
|
| Sysmiss | 7 |