| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 20 |
1.7%
|
| -1 | Don't know | 127 |
10.6%
|
| 1 | A great deal | 144 |
12%
|
| 2 | Quite a lot | 198 |
16.5%
|
| 3 | Not very much | 275 |
22.9%
|
| 4 | None at all | 436 |
36.3%
|