| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 11 |
0.1%
|
| -7 | DON'T KNOW | 4085 |
44.6%
|
| 1 | YES | 2777 |
30.3%
|
| 2 | NO | 2283 |
24.9%
|