| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 623 |
51.8%
|
| 1 | A great deal | 32 |
2.7%
|
| 2 | Quite a lot | 65 |
5.4%
|
| 3 | Not very much | 125 |
10.4%
|
| 4 | None at all | 358 |
29.8%
|