| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 806 |
67.2%
|
| 1 | A few times | 185 |
15.4%
|
| 2 | Often | 166 |
13.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 43 |
3.6%
|