| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 11 |
0.2%
|
| -7 | DON'T KNOW | 76 |
1.2%
|
| 1 | YES | 5405 |
85.7%
|
| 2 | NO | 817 |
12.9%
|
| Sysmiss | 2 |