| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 21 |
1.4%
|
| -1 | Don't know | 35 |
2.3%
|
| 1 | Have done | 436 |
28.5%
|
| 2 | Might do | 434 |
28.4%
|
| 3 | Would never do | 602 |
39.4%
|