| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 30 |
2.4%
|
| 1 | A great deal | 110 |
8.8%
|
| 2 | Quite a lot | 238 |
18.9%
|
| 3 | Not very much | 553 |
44%
|
| 4 | None at all | 322 |
25.6%
|