| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | None | 271 |
11.3%
|
| 2 | A small amount | 433 |
18%
|
| 3 | Some | 805 |
33.5%
|
| 4 | A lot | 801 |
33.4%
|
| 8 | Refused | 3 |
0.1%
|
| 9 | Don’t know | 86 |
3.6%
|