| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.4%
|
| -1 | Don't know | 18 |
1.2%
|
| 1 | Have done | 172 |
11.5%
|
| 2 | Might do | 628 |
41.9%
|
| 3 | Would never do | 675 |
45%
|