| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 112 |
6.4%
|
| 1 | A great deal | 191 |
11%
|
| 2 | Quite a lot | 410 |
23.5%
|
| 3 | Not very much | 507 |
29.1%
|
| 4 | None at all | 519 |
29.8%
|