| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.2%
|
| -1 | Don't know | 6 |
1.3%
|
| 1 | A great deal | 4 |
0.9%
|
| 2 | Quite a lot | 95 |
21.3%
|
| 3 | Not very much | 263 |
58.8%
|
| 4 | None at all | 78 |
17.4%
|