| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 20631 |
98.6%
|
| 2 | NO | 148 |
0.7%
|
| 7 | DON'T KNOW | 135 |
0.6%
|
| 9 | REFUSED | 1 |
0%
|
| Sysmiss | 9 |