| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 19 |
1.5%
|
| -1 | Don't know | 140 |
10.9%
|
| 1 | Have done | 200 |
15.5%
|
| 2 | Might do | 401 |
31.1%
|
| 3 | Would never do | 529 |
41%
|