| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 34 |
8.8%
|
| 2 | Monthly | 194 |
50.4%
|
| 3 | Less than once a month | 104 |
27%
|
| 4 | Don't know | 46 |
11.9%
|
| 5 | Refused | 7 |
1.8%
|
| Sysmiss | 635 |