| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.5%
|
| -1 | Don't know | 20 |
1.7%
|
| 1 | Have done | 165 |
13.8%
|
| 2 | Might do | 518 |
43.2%
|
| 3 | Would never do | 491 |
40.9%
|