| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refusal | 0 |
0%
|
| -8 | Don't know | 0 |
0%
|
| 0 | No | 4271 |
81.4%
|
| 1 | Yes | 143 |
2.7%
|
| Missing value | 830 |
15.8%
|