| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 28 |
2.3%
|
| -1 | Don't know | 330 |
27%
|
| 1 | A great deal | 13 |
1.1%
|
| 2 | Quite a lot | 115 |
9.4%
|
| 3 | Not very much | 312 |
25.5%
|
| 4 | None at all | 425 |
34.8%
|