| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 72 |
7.2%
|
| 1 | Have done | 131 |
13.1%
|
| 2 | Might do | 358 |
35.7%
|
| 3 | Would never do | 437 |
43.6%
|