| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.6%
|
| -1 | Don't know | 33 |
2.8%
|
| 1 | Have done | 155 |
12.9%
|
| 2 | Might do | 426 |
35.5%
|
| 3 | Would never do | 579 |
48.3%
|