| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 1 | Nothing | 480 |
40%
|
| 2 | A small amount | 130 |
10.8%
|
| 3 | Some | 109 |
9.1%
|
| 4 | A great deal | 217 |
18.1%
|
| 9 | Don't know | 262 |
21.8%
|
| 998 | Refused | 0 |
0%
|