| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 14 |
1.4%
|
| 1 | A great deal | 150 |
15%
|
| 2 | Quite a lot | 384 |
38.4%
|
| 3 | Not very much | 307 |
30.7%
|
| 4 | None at all | 143 |
14.3%
|