| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 62 |
19.9%
|
| 2 | Monthly | 158 |
50.6%
|
| 3 | Less than once a month | 72 |
23.1%
|
| 4 | Don't know | 16 |
5.1%
|
| 5 | Refused | 4 |
1.3%
|
| Sysmiss | 688 |