| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.7%
|
| -1 | Don't know | 30 |
2.5%
|
| 1 | A great deal | 140 |
11.4%
|
| 2 | Quite a lot | 286 |
23.4%
|
| 3 | Not very much | 312 |
25.5%
|
| 4 | None at all | 447 |
36.5%
|