| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 26 |
2.1%
|
| 1 | A great deal | 262 |
21.3%
|
| 2 | Quite a lot | 511 |
41.5%
|
| 3 | Not very much | 283 |
23%
|
| 4 | None at all | 148 |
12%
|