| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 30 |
2.5%
|
| 1 | Have done | 215 |
17.9%
|
| 2 | Might do | 486 |
40.5%
|
| 3 | Would never do | 464 |
38.7%
|