| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.6%
|
| -1 | Don't know | 205 |
17.1%
|
| 1 | A great deal | 5 |
0.4%
|
| 2 | Quite a lot | 87 |
7.3%
|
| 3 | Not very much | 345 |
28.8%
|
| 4 | None at all | 551 |
45.9%
|