| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3419 |
78.7%
|
| 2 | NO | 121 |
2.8%
|
| 7 | DON'T KNOW | 802 |
18.5%
|
| 9 | REFUSED | 3 |
0.1%
|
| Sysmiss | 2 |