| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.5%
|
| -1 | Don't know | 152 |
11.2%
|
| 1 | A great deal | 23 |
1.7%
|
| 2 | Quite a lot | 324 |
23.9%
|
| 3 | Not very much | 688 |
50.8%
|
| 4 | None at all | 159 |
11.8%
|