| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 41 |
24.6%
|
| 2 | Monthly | 90 |
53.9%
|
| 3 | Less than once a month | 30 |
18%
|
| 4 | Don't know | 4 |
2.4%
|
| 5 | Refused | 2 |
1.2%
|
| Sysmiss | 342 |