| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 10 |
0.7%
|
| -1 | Don't know | 300 |
22.2%
|
| 1 | A great deal | 30 |
2.2%
|
| 2 | Quite a lot | 394 |
29.1%
|
| 3 | Not very much | 483 |
35.7%
|
| 4 | None at all | 136 |
10.1%
|