| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 19 |
1.6%
|
| -1 | Don't know | 50 |
4.2%
|
| 1 | A great deal | 223 |
18.6%
|
| 2 | Quite a lot | 604 |
50.3%
|
| 3 | Not very much | 210 |
17.5%
|
| 4 | None at all | 94 |
7.8%
|