| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 443 |
36.9%
|
| 1 | Once or twice | 198 |
16.5%
|
| 2 | A few times | 342 |
28.5%
|
| 3 | Often | 211 |
17.6%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 5 |
0.4%
|