| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 5 |
0.4%
|
| 1 | A great deal | 12 |
1%
|
| 2 | Quite a lot | 140 |
11.7%
|
| 3 | Not very much | 588 |
49%
|
| 4 | None at all | 451 |
37.6%
|