| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 261 |
21.8%
|
| 1 | A great deal | 278 |
23.2%
|
| 2 | Quite a lot | 348 |
29%
|
| 3 | Not very much | 201 |
16.8%
|
| 4 | None at all | 112 |
9.3%
|