| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 14 |
1.2%
|
| -1 | Don't know | 104 |
8.7%
|
| 1 | A great deal | 178 |
14.8%
|
| 2 | Quite a lot | 241 |
20.1%
|
| 3 | Not very much | 277 |
23.1%
|
| 4 | None at all | 386 |
32.2%
|