| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 15 |
1.3%
|
| -1 | Don't know | 116 |
9.7%
|
| 1 | A great deal | 134 |
11.2%
|
| 2 | Quite a lot | 212 |
17.7%
|
| 3 | Not very much | 290 |
24.2%
|
| 4 | None at all | 433 |
36.1%
|