| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 141 |
11.8%
|
| 1 | A great deal | 20 |
1.7%
|
| 2 | Quite a lot | 204 |
17%
|
| 3 | Not very much | 489 |
40.8%
|
| 4 | None at all | 344 |
28.7%
|