| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 14 |
0.1%
|
| -7 | DON'T KNOW | 1379 |
12.9%
|
| 1 | YES | 8138 |
76.2%
|
| 2 | NO | 1146 |
10.7%
|