| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 411 |
74.1%
|
| 2 | Monthly | 91 |
16.4%
|
| 3 | Less than once a month | 51 |
9.2%
|
| 4 | Don't know | 2 |
0.4%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 445 |