| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 160 |
13.3%
|
| 1 | A great deal | 28 |
2.3%
|
| 2 | Quite a lot | 383 |
31.9%
|
| 3 | Not very much | 395 |
32.9%
|
| 4 | None at all | 230 |
19.2%
|