| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 18 |
1.8%
|
| -1 | Don't know | 35 |
3.5%
|
| 1 | Have done | 166 |
16.6%
|
| 2 | Might do | 374 |
37.4%
|
| 3 | Would never do | 407 |
40.7%
|