| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refusal | 0 |
0%
|
| -8 | Don't know | 0 |
0%
|
| 0 | No | 1236 |
23.6%
|
| 1 | Yes | 19 |
0.4%
|
| Missing value | 3989 |
76.1%
|