| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 12 |
0.8%
|
| 1 | Have done | 1042 |
68.2%
|
| 2 | Might do | 306 |
20%
|
| 3 | Would never do | 164 |
10.7%
|