| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 16 |
1.5%
|
| 2 | Quite a lot | 102 |
9.8%
|
| 3 | Not very much | 356 |
34%
|
| 4 | None at all | 459 |
43.9%
|
| Sysmiss | 113 |
10.8%
|