| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 329 |
27.4%
|
| 1 | A great deal | 266 |
22.2%
|
| 2 | Quite a lot | 556 |
46.3%
|
| 3 | Not very much | 40 |
3.3%
|
| 4 | None at all | 9 |
0.8%
|