| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 2 |
0.2%
|
| 1 | Have done | 233 |
22.4%
|
| 2 | Might do | 422 |
40.6%
|
| 3 | Would never do | 377 |
36.3%
|