| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 13 |
0.7%
|
| 1 | A great deal | 384 |
22.1%
|
| 2 | Quite a lot | 500 |
28.7%
|
| 3 | Not very much | 532 |
30.6%
|
| 4 | None at all | 312 |
17.9%
|