| Value | Category | Cases | |
|---|---|---|---|
| -9 | (-9) Refused | 1 |
0%
|
| -8 | (-8) Don't know | 33 |
0.1%
|
| 1 | (1) Yes | 508 |
2.3%
|
| 2 | (2) No | 21720 |
97.6%
|