| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 34 |
2.2%
|
| -1 | Don't know | 263 |
17.2%
|
| 1 | A great deal | 25 |
1.6%
|
| 2 | Quite a lot | 476 |
31.2%
|
| 3 | Not very much | 603 |
39.5%
|
| 4 | None at all | 127 |
8.3%
|