| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 20051 |
97.9%
|
| 2 | NO | 59 |
0.3%
|
| 7 | DON'T KNOW | 352 |
1.7%
|
| 9 | REFUSED | 11 |
0.1%
|
| Sysmiss | 93 |