| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.4%
|
| 1 | None | 242 |
20.2%
|
| 2 | A small amount | 192 |
16%
|
| 3 | Some | 230 |
19.2%
|
| 4 | A great deal | 250 |
20.8%
|
| 9 | Don't know | 281 |
23.4%
|
| 998 | Refused | 0 |
0%
|