| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 30 |
0.4%
|
| 2 | NO | 4527 |
57.9%
|
| 7 | DON'T KNOW | 3140 |
40.2%
|
| 9 | REFUSED | 116 |
1.5%
|
| Sysmiss | 18 |