| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 12 |
0.8%
|
| -1 | Don't know | 31 |
2.1%
|
| 1 | A great deal | 158 |
10.5%
|
| 2 | Quite a lot | 577 |
38.5%
|
| 3 | Not very much | 261 |
17.4%
|
| 4 | None at all | 460 |
30.7%
|