| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 20470 |
97.9%
|
| 2 | NO | 274 |
1.3%
|
| 7 | DON'T KNOW | 173 |
0.8%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 7 |