| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 346 |
28.8%
|
| 1 | A great deal | 194 |
16.2%
|
| 2 | Quite a lot | 593 |
49.4%
|
| 3 | Not very much | 50 |
4.2%
|
| 4 | None at all | 17 |
1.4%
|