| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 13 |
0.9%
|
| 1 | Have done | 349 |
23.3%
|
| 2 | Might do | 523 |
34.9%
|
| 3 | Would never do | 612 |
40.8%
|