| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | None | 448 |
18.4%
|
| 2 | A small amount | 657 |
27%
|
| 3 | Some | 610 |
25.1%
|
| 4 | A great deal | 374 |
15.4%
|
| 9 | Don't know | 342 |
14.1%
|
| 998 | Refused | 0 |
0%
|