| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 59 |
4.9%
|
| 1 | A great deal | 99 |
8.3%
|
| 2 | Quite a lot | 562 |
46.8%
|
| 3 | Not very much | 356 |
29.7%
|
| 4 | None at all | 122 |
10.2%
|