| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| -1 | Don't know | 17 |
1.4%
|
| 1 | Have done | 183 |
15.3%
|
| 2 | Might do | 117 |
9.8%
|
| 3 | Would never do | 880 |
73.3%
|