| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 19 |
1.9%
|
| -1 | Don't know | 168 |
16.7%
|
| 1 | A great deal | 46 |
4.6%
|
| 2 | Quite a lot | 212 |
21.1%
|
| 3 | Not very much | 309 |
30.8%
|
| 4 | None at all | 249 |
24.8%
|