| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 6 |
0.1%
|
| -7 | DON'T KNOW | 4087 |
44.6%
|
| 1 | YES | 2668 |
29.1%
|
| 2 | NO | 2395 |
26.2%
|