| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 16 |
0.2%
|
| -8 | Refused | 13 |
0.2%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 5 |
0.1%
|
| 1 | Yes | 1918 |
27.1%
|
| 2 | No | 5121 |
72.4%
|