| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 37 |
1.2%
|
| 1 | A great deal | 262 |
8.2%
|
| 2 | Quite a lot | 875 |
27.3%
|
| 3 | Not very much | 1365 |
42.7%
|
| 4 | None at all | 659 |
20.6%
|