| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.6%
|
| -1 | Don't know | 3 |
0.3%
|
| 1 | A great deal | 34 |
2.8%
|
| 2 | Quite a lot | 204 |
17%
|
| 3 | Not very much | 572 |
47.7%
|
| 4 | None at all | 380 |
31.7%
|