| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 42 |
3.5%
|
| -1 | Don't know | 111 |
9.3%
|
| 1 | A great deal | 138 |
11.5%
|
| 2 | Quite a lot | 487 |
40.6%
|
| 3 | Not very much | 267 |
22.3%
|
| 4 | None at all | 155 |
12.9%
|