| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1557 |
19.9%
|
| 2 | NO | 6169 |
78.8%
|
| 7 | DON'T KNOW | 86 |
1.1%
|
| 9 | REFUSED | 15 |
0.2%
|
| Sysmiss | 4 |