| Value | Category | Cases | |
|---|---|---|---|
| -9 | (-9) Refused | 4 |
0%
|
| -8 | (-8) Don't know | 29 |
0.1%
|
| 1 | (1) Yes | 589 |
2.6%
|
| 2 | (2) No | 21640 |
97.2%
|