| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.6%
|
| -1 | Don't know | 60 |
5%
|
| 1 | A great deal | 21 |
1.8%
|
| 2 | Quite a lot | 251 |
20.9%
|
| 3 | Not very much | 515 |
42.9%
|
| 4 | None at all | 346 |
28.8%
|