| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 3 |
0.2%
|
| 1 | A great deal | 244 |
20.1%
|
| 2 | Quite a lot | 368 |
30.3%
|
| 3 | Not very much | 361 |
29.7%
|
| 4 | None at all | 239 |
19.7%
|