| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 7 |
0.1%
|
| -7 | DON'T KNOW | 3606 |
39.4%
|
| 1 | YES | 3960 |
43.3%
|
| 2 | NO | 1583 |
17.3%
|