| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 31 |
2.6%
|
| -1 | Don't know | 206 |
17.2%
|
| 1 | A great deal | 142 |
11.8%
|
| 2 | Quite a lot | 141 |
11.8%
|
| 3 | Not very much | 237 |
19.8%
|
| 4 | None at all | 443 |
36.9%
|