| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 14 |
1.4%
|
| -1 | Don't know | 10 |
1%
|
| 1 | A great deal | 222 |
22.2%
|
| 2 | Quite a lot | 348 |
34.8%
|
| 3 | Not very much | 286 |
28.6%
|
| 4 | None at all | 120 |
12%
|