| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.8%
|
| -1 | Don't know | 14 |
1.2%
|
| 1 | A great deal | 137 |
11.4%
|
| 2 | Quite a lot | 491 |
40.9%
|
| 3 | Not very much | 348 |
29%
|
| 4 | None at all | 201 |
16.8%
|