| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 13 |
1.1%
|
| 1 | A great deal | 553 |
45.2%
|
| 2 | Quite a lot | 325 |
26.6%
|
| 3 | Not very much | 218 |
17.8%
|
| 4 | None at all | 112 |
9.2%
|