| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 4 |
0.1%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 28 |
0.4%
|
| 1 | Yes | 702 |
9.6%
|
| 2 | No | 6562 |
89.9%
|