| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | None | 638 |
26.6%
|
| 2 | A small amount | 375 |
15.6%
|
| 3 | Some | 639 |
26.6%
|
| 4 | A lot | 634 |
26.4%
|
| 8 | Refused | 3 |
0.1%
|
| 9 | Don’t know | 110 |
4.6%
|