| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 154 |
9.4%
|
| 1 | A great deal | 120 |
7.3%
|
| 2 | Quite a lot | 415 |
25.3%
|
| 3 | Not very much | 651 |
39.7%
|
| 4 | None at all | 298 |
18.2%
|