| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 18815 |
90%
|
| 2 | NO | 1568 |
7.5%
|
| 7 | DON'T KNOW | 534 |
2.6%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 7 |