| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 8655 |
96.2%
|
| 2 | NO | 81 |
0.9%
|
| 7 | DON'T KNOW | 252 |
2.8%
|
| 9 | REFUSED | 5 |
0.1%
|
| Sysmiss | 3 |