| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 21 |
2.1%
|
| -1 | Don't know | 221 |
22%
|
| 1 | A great deal | 22 |
2.2%
|
| 2 | Quite a lot | 144 |
14.4%
|
| 3 | Not very much | 299 |
29.8%
|
| 4 | None at all | 296 |
29.5%
|