| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 8 |
0.7%
|
| 1 | A great deal | 16 |
1.3%
|
| 2 | Quite a lot | 242 |
20.2%
|
| 3 | Not very much | 537 |
44.8%
|
| 4 | None at all | 392 |
32.7%
|