| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refusal | 0 |
0%
|
| -8 | Don't know | 0 |
0%
|
| 0 | No | 1266 |
24.1%
|
| 1 | Yes | 10 |
0.2%
|
| Missing value | 3968 |
75.7%
|