| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 35 |
10.5%
|
| 2 | Monthly | 173 |
52.1%
|
| 3 | Less than once a month | 81 |
24.4%
|
| 4 | Never | 30 |
9%
|
| 5 | Don't know | 10 |
3%
|
| 6 | Refused | 3 |
0.9%
|
| Sysmiss | 668 |