| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 11 |
1.1%
|
| 1 | A great deal | 164 |
16.4%
|
| 2 | Quite a lot | 196 |
19.6%
|
| 3 | Not very much | 277 |
27.7%
|
| 4 | None at all | 347 |
34.7%
|