| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 4 |
0.4%
|
| 1 | Have done | 80 |
7.7%
|
| 2 | Might do | 236 |
22.7%
|
| 3 | Would never do | 714 |
68.7%
|