| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.2%
|
| -1 | Don't know | 5 |
0.3%
|
| 1 | Have done | 441 |
29.4%
|
| 2 | Might do | 448 |
29.9%
|
| 3 | Would never do | 602 |
40.2%
|