| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.7%
|
| -1 | Don't know | 13 |
1.1%
|
| 1 | A great deal | 15 |
1.3%
|
| 2 | Quite a lot | 132 |
11%
|
| 3 | Not very much | 599 |
49.9%
|
| 4 | None at all | 433 |
36.1%
|