| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 8670 |
87.4%
|
| 2 | NO | 452 |
4.6%
|
| 7 | DON'T KNOW | 801 |
8.1%
|
| 9 | REFUSED | 1 |
0%
|
| Sysmiss | 1 |