| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.7%
|
| -1 | Don't know | 45 |
3.8%
|
| 1 | A great deal | 35 |
2.9%
|
| 2 | Quite a lot | 313 |
26.1%
|
| 3 | Not very much | 518 |
43.2%
|
| 4 | None at all | 281 |
23.4%
|