| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 7 |
0.5%
|
| -66 | -66 (refuse to answer) | 1 |
0.1%
|
| 0 | No | 1188 |
86.1%
|
| 1 | Yes | 183 |
13.3%
|