| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 17 |
1.4%
|
| -1 | Don't know | 132 |
11%
|
| 1 | A great deal | 98 |
8.2%
|
| 2 | Quite a lot | 188 |
15.7%
|
| 3 | Not very much | 277 |
23.1%
|
| 4 | None at all | 488 |
40.7%
|