| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refusal | 0 |
0%
|
| -8 | Don't know | 0 |
0%
|
| 0 | No | 358 |
6.8%
|
| 1 | Yes | 185 |
3.5%
|
| Missing value | 4701 |
89.6%
|