| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 15 |
1.5%
|
| -1 | Don't know | 11 |
1.1%
|
| 1 | Have done | 218 |
21.8%
|
| 2 | Might do | 445 |
44.5%
|
| 3 | Would never do | 311 |
31.1%
|