| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 8 |
0.6%
|
| -66 | -66 (refuse to answer) | 2 |
0.1%
|
| 0 | No | 1074 |
77.9%
|
| 1 | Yes | 295 |
21.4%
|