| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 6984 |
86.8%
|
| 2 | NO | 773 |
9.6%
|
| 7 | DON'T KNOW | 285 |
3.5%
|
| 9 | REFUSED | 2 |
0%
|
| Sysmiss | 952 |