| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 147 |
12%
|
| 1 | A great deal | 70 |
5.7%
|
| 2 | Quite a lot | 294 |
24%
|
| 3 | Not very much | 315 |
25.8%
|
| 4 | None at all | 392 |
32.1%
|