| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.4%
|
| -1 | Don't know | 9 |
0.6%
|
| 1 | Have done | 456 |
30.4%
|
| 2 | Might do | 494 |
33%
|
| 3 | Would never do | 534 |
35.6%
|