| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 2 |
0.1%
|
| -2 | No answer | 7 |
0.4%
|
| -1 | Don't know | 9 |
0.5%
|
| 1 | Have done | 74 |
4.3%
|
| 2 | Might do | 368 |
21.1%
|
| 3 | Would never do | 1281 |
73.6%
|