| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.4%
|
| -1 | Don't know | 6 |
1.3%
|
| 1 | A great deal | 52 |
11.6%
|
| 2 | Quite a lot | 156 |
34.9%
|
| 3 | Not very much | 162 |
36.2%
|
| 4 | None at all | 69 |
15.4%
|