| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 18 |
1.3%
|
| 1 | A great deal | 61 |
4.4%
|
| 2 | Quite a lot | 264 |
18.9%
|
| 3 | Not very much | 633 |
45.2%
|
| 4 | None at all | 423 |
30.2%
|