| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 518 |
43.2%
|
| 1 | A great deal | 6 |
0.5%
|
| 2 | Quite a lot | 95 |
7.9%
|
| 3 | Not very much | 253 |
21.1%
|
| 4 | None at all | 327 |
27.3%
|