| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 20 |
1.1%
|
| -1 | Don't know | 77 |
4.3%
|
| 1 | Have done | 220 |
12.2%
|
| 2 | Might do | 531 |
29.3%
|
| 3 | Would never do | 962 |
53.1%
|