| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.8%
|
| -1 | Don't know | 17 |
1.4%
|
| 1 | Have done | 45 |
3.8%
|
| 2 | Might do | 169 |
14.1%
|
| 3 | Would never do | 960 |
80%
|