| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 20 |
1.3%
|
| -1 | Don't know | 193 |
12.6%
|
| 1 | A great deal | 119 |
7.8%
|
| 2 | Quite a lot | 761 |
49.8%
|
| 3 | Not very much | 346 |
22.6%
|
| 4 | None at all | 89 |
5.8%
|