| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 14 |
1.2%
|
| 1 | Have done | 266 |
22.2%
|
| 2 | Might do | 599 |
49.9%
|
| 3 | Would never do | 320 |
26.7%
|