| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 10 |
7.9%
|
| 2 | Monthly | 75 |
59.5%
|
| 3 | Less than once a month | 29 |
23%
|
| 4 | Don't know | 6 |
4.8%
|
| 5 | Refused | 6 |
4.8%
|
| Sysmiss | 874 |