| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 24 |
12.8%
|
| 2 | Monthly | 120 |
64.2%
|
| 3 | Less than once a month | 39 |
20.9%
|
| 4 | Don't know | 2 |
1.1%
|
| 5 | Refused | 2 |
1.1%
|
| Sysmiss | 813 |