| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 20 |
1.7%
|
| -1 | Don't know | 161 |
13.4%
|
| 1 | A great deal | 109 |
9.1%
|
| 2 | Quite a lot | 161 |
13.4%
|
| 3 | Not very much | 232 |
19.3%
|
| 4 | None at all | 517 |
43.1%
|