| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 19 |
1.6%
|
| 1 | A great deal | 229 |
18.8%
|
| 2 | Quite a lot | 489 |
40.2%
|
| 3 | Not very much | 322 |
26.5%
|
| 4 | None at all | 155 |
12.8%
|