| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 13 |
1.1%
|
| 1 | Have done | 106 |
8.7%
|
| 2 | Might do | 319 |
26.3%
|
| 3 | Would never do | 775 |
63.8%
|