| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 15 |
1.4%
|
| 2 | Quite a lot | 137 |
13.1%
|
| 3 | Not very much | 411 |
39.3%
|
| 4 | None at all | 397 |
38%
|
| Sysmiss | 86 |
8.2%
|