| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.8%
|
| -1 | Don't know | 22 |
1.8%
|
| 1 | Have done | 190 |
15.8%
|
| 2 | Might do | 422 |
35.2%
|
| 3 | Would never do | 557 |
46.4%
|