| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 3 |
0.2%
|
| 1 | A great deal | 461 |
30.8%
|
| 2 | Quite a lot | 728 |
48.6%
|
| 3 | Not very much | 147 |
9.8%
|
| 4 | None at all | 158 |
10.5%
|