| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 30 |
3%
|
| 1 | A great deal | 107 |
10.7%
|
| 2 | Quite a lot | 226 |
22.6%
|
| 3 | Not very much | 243 |
24.3%
|
| 4 | None at all | 389 |
38.9%
|