| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.6%
|
| -1 | Don't know | 102 |
7.5%
|
| 1 | A great deal | 43 |
3.2%
|
| 2 | Quite a lot | 496 |
36.7%
|
| 3 | Not very much | 568 |
42%
|
| 4 | None at all | 136 |
10.1%
|