| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 7 |
0.5%
|
| 1 | Have done | 320 |
21.3%
|
| 2 | Might do | 825 |
55%
|
| 3 | Would never do | 343 |
22.9%
|