| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 19 |
1.8%
|
| 2 | Quite a lot | 147 |
14.1%
|
| 3 | Not very much | 370 |
35.4%
|
| 4 | None at all | 427 |
40.8%
|
| Sysmiss | 83 |
7.9%
|