| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
0%
|
| -8 | Refused | 6 |
0.1%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 19 |
0.3%
|
| 1 | Yes | 235 |
3.2%
|
| 2 | No | 7035 |
96.4%
|