| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 35 |
2.9%
|
| -1 | Don't know | 264 |
22%
|
| 1 | A great deal | 100 |
8.3%
|
| 2 | Quite a lot | 134 |
11.2%
|
| 3 | Not very much | 211 |
17.6%
|
| 4 | None at all | 456 |
38%
|