| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 11 |
1.1%
|
| -1 | Don't know | 19 |
1.9%
|
| 1 | A great deal | 69 |
6.9%
|
| 2 | Quite a lot | 242 |
24.2%
|
| 3 | Not very much | 317 |
31.7%
|
| 4 | None at all | 342 |
34.2%
|