| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.2%
|
| -1 | Don't know | 10 |
0.7%
|
| 1 | Have done | 166 |
11.1%
|
| 2 | Might do | 540 |
36%
|
| 3 | Would never do | 780 |
52%
|