| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 18 |
1.5%
|
| -1 | Don't know | 32 |
2.7%
|
| 1 | A great deal | 210 |
17.5%
|
| 2 | Quite a lot | 614 |
51.2%
|
| 3 | Not very much | 207 |
17.3%
|
| 4 | None at all | 119 |
9.9%
|