| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 44 |
3.9%
|
| 2 | NO | 1072 |
94.9%
|
| 7 | DON'T KNOW | 12 |
1.1%
|
| 9 | REFUSED | 2 |
0.2%
|
| Sysmiss | 3295 |