| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 26 |
2.2%
|
| 1 | Have done | 157 |
13.1%
|
| 2 | Might do | 524 |
43.7%
|
| 3 | Would never do | 491 |
40.9%
|