| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 372 |
31%
|
| 1 | A great deal | 49 |
4.1%
|
| 2 | Quite a lot | 216 |
18%
|
| 3 | Not very much | 395 |
32.9%
|
| 4 | None at all | 167 |
13.9%
|