| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 132 |
11%
|
| 1 | A great deal | 5 |
0.4%
|
| 2 | Quite a lot | 96 |
8%
|
| 3 | Not very much | 427 |
35.6%
|
| 4 | None at all | 538 |
44.8%
|