| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 4 |
0.3%
|
| 1 | None | 34 |
2.8%
|
| 2 | A small amount | 255 |
21.3%
|
| 3 | Some | 260 |
21.7%
|
| 4 | A great deal | 615 |
51.3%
|
| 9 | Don't know | 32 |
2.7%
|
| 998 | Refused | 0 |
0%
|