| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.5%
|
| -1 | Don't know | 116 |
9.2%
|
| 1 | A great deal | 67 |
5.3%
|
| 2 | Quite a lot | 262 |
20.8%
|
| 3 | Not very much | 457 |
36.4%
|
| 4 | None at all | 349 |
27.8%
|