| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.2%
|
| -1 | Don't know | 40 |
1.9%
|
| 1 | A great deal | 192 |
9.3%
|
| 2 | Quite a lot | 320 |
15.5%
|
| 3 | Not very much | 1111 |
53.7%
|
| 4 | None at all | 400 |
19.4%
|