| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 2166 |
90.3%
|
| 1 | Once or twice | 95 |
4%
|
| 2 | A few times | 69 |
2.9%
|
| 3 | Often | 66 |
2.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 4 |
0.2%
|