| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 549 |
70.5%
|
| 2 | Monthly | 171 |
22%
|
| 3 | Less than once a month | 58 |
7.4%
|
| 4 | Don't know | 0 |
0%
|
| 5 | Refused | 1 |
0.1%
|
| Sysmiss | 229 |