| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 5 |
0.4%
|
| 1 | A great deal | 114 |
8.7%
|
| 2 | Quite a lot | 556 |
42.3%
|
| 3 | Not very much | 536 |
40.8%
|
| 4 | None at all | 102 |
7.8%
|