| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 73 |
4.2%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 20 |
1.1%
|
| 1 | Yes | 20 |
1.1%
|
| 2 | No | 1637 |
93.5%
|