| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 15 |
1.2%
|
| 1 | A great deal | 103 |
8.3%
|
| 2 | Quite a lot | 312 |
25.2%
|
| 3 | Not very much | 498 |
40.3%
|
| 4 | None at all | 307 |
24.8%
|