| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 52 |
4.3%
|
| 1 | A great deal | 136 |
11.3%
|
| 2 | Quite a lot | 836 |
69.7%
|
| 3 | Not very much | 157 |
13.1%
|
| 4 | None at all | 19 |
1.6%
|