| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4166 |
46.3%
|
| 2 | NO | 1100 |
12.2%
|
| 7 | DON'T KNOW | 3720 |
41.4%
|
| 9 | REFUSED | 7 |
0.1%
|
| Sysmiss | 3 |