| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.6%
|
| -1 | Don't know | 40 |
2.6%
|
| 1 | Have done | 480 |
31.4%
|
| 2 | Might do | 610 |
39.9%
|
| 3 | Would never do | 389 |
25.5%
|