| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 71 |
5.9%
|
| 1 | A great deal | 508 |
42.3%
|
| 2 | Quite a lot | 458 |
38.2%
|
| 3 | Not very much | 131 |
10.9%
|
| 4 | None at all | 32 |
2.7%
|