| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 7 |
0.5%
|
| 1 | Have done | 290 |
19.3%
|
| 2 | Might do | 380 |
25.4%
|
| 3 | Would never do | 821 |
54.8%
|