| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.2%
|
| -1 | Don't know | 197 |
11.3%
|
| 1 | A great deal | 130 |
7.5%
|
| 2 | Quite a lot | 345 |
19.8%
|
| 3 | Not very much | 505 |
29%
|
| 4 | None at all | 560 |
32.2%
|