| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 9 |
0.9%
|
| 1 | Have done | 204 |
20.4%
|
| 2 | Might do | 272 |
27.2%
|
| 3 | Would never do | 510 |
51%
|