| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1060 |
44.2%
|
| 1 | Once or twice | 178 |
7.4%
|
| 2 | A few times | 141 |
5.9%
|
| 3 | Often | 133 |
5.5%
|
| 7 | Not applicable | 886 |
36.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 2 |
0.1%
|