| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 18 |
1.7%
|
| 2 | Quite a lot | 225 |
21.5%
|
| 3 | Not very much | 479 |
45.8%
|
| 4 | None at all | 298 |
28.5%
|
| Sysmiss | 26 |
2.5%
|