| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 78 |
30.1%
|
| 2 | Monthly | 99 |
38.2%
|
| 3 | Less than once a month | 63 |
24.3%
|
| 4 | Don't know | 16 |
6.2%
|
| 5 | Refused | 3 |
1.2%
|
| Sysmiss | 742 |