| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 643 |
22.8%
|
| 2 | No | 1907 |
67.7%
|
| 3 | Not Tried | 257 |
9.1%
|
| 96 | Don't Know | 6 |
0.2%
|
| 99 | Refused | 3 |
0.1%
|