| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 7 |
0.4%
|
| 1 | Have done | 193 |
11.1%
|
| 2 | Might do | 566 |
32.5%
|
| 3 | Would never do | 974 |
55.9%
|