| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 76 |
5.9%
|
| 1 | A great deal | 48 |
3.7%
|
| 2 | Quite a lot | 421 |
32.7%
|
| 3 | Not very much | 451 |
35%
|
| 4 | None at all | 291 |
22.6%
|