| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 15 |
1.4%
|
| 2 | Quite a lot | 125 |
12%
|
| 3 | Not very much | 384 |
36.7%
|
| 4 | None at all | 413 |
39.5%
|
| Sysmiss | 109 |
10.4%
|