| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.6%
|
| -1 | Don't know | 3 |
0.3%
|
| 1 | Have done | 158 |
15.2%
|
| 2 | Might do | 428 |
41.2%
|
| 3 | Would never do | 444 |
42.7%
|