| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 75 |
4.3%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 2 |
0.1%
|
| 1 | Yes | 281 |
16.1%
|
| 2 | No | 1392 |
79.5%
|