| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 64 |
6.4%
|
| 1 | Have done | 121 |
12.1%
|
| 2 | Might do | 354 |
35.3%
|
| 3 | Would never do | 459 |
45.8%
|