| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Unknown | 11 |
1.1%
|
| 1 | A great deal | 136 |
13.3%
|
| 2 | Quite a lot | 635 |
62.1%
|
| 3 | Not very much | 219 |
21.4%
|
| 4 | None at all | 22 |
2.2%
|