| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 10 |
0.8%
|
| -1 | Don't know | 28 |
2.3%
|
| 1 | Have done | 222 |
18.5%
|
| 2 | Might do | 412 |
34.3%
|
| 3 | Would never do | 528 |
44%
|