| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.2%
|
| -1 | Don't know | 18 |
0.9%
|
| 1 | A great deal | 427 |
21.2%
|
| 2 | Quite a lot | 1201 |
59.7%
|
| 3 | Not very much | 313 |
15.6%
|
| 4 | None at all | 48 |
2.4%
|