| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | None | 638 |
26.6%
|
| 2 | A small amount | 496 |
20.7%
|
| 3 | Some | 508 |
21.2%
|
| 4 | A great deal | 208 |
8.7%
|
| 9 | Don't know | 550 |
22.9%
|
| 998 | Refused | 0 |
0%
|