| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 32 |
2.7%
|
| 1 | Have done | 89 |
7.4%
|
| 2 | Might do | 557 |
46.4%
|
| 3 | Would never do | 517 |
43.1%
|