| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 66 |
26%
|
| 2 | Monthly | 104 |
40.9%
|
| 3 | Less than once a month | 81 |
31.9%
|
| 4 | Don't know | 3 |
1.2%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 754 |