| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| -1 | Don't know | 18 |
1.8%
|
| 1 | A great deal | 15 |
1.5%
|
| 2 | Quite a lot | 169 |
16.9%
|
| 3 | Not very much | 434 |
43.4%
|
| 4 | None at all | 361 |
36.1%
|