| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 837 |
69.8%
|
| 1 | Once or twice | 132 |
11%
|
| 2 | A few times | 106 |
8.8%
|
| 3 | Often | 119 |
9.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 6 |
0.5%
|