| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | None | 206 |
8.9%
|
| 2 | A small amount | 722 |
31.1%
|
| 3 | Some | 726 |
31.2%
|
| 4 | A great deal | 426 |
18.3%
|
| 9 | Don't know | 244 |
10.5%
|
| 998 | Refused | 0 |
0%
|