| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 5 |
0.1%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 25 |
0.3%
|
| 1 | Yes | 787 |
10.8%
|
| 2 | No | 6479 |
88.8%
|