| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 121 |
27.3%
|
| 2 | Monthly | 235 |
53%
|
| 3 | Less than once a month | 81 |
18.3%
|
| 4 | Don't know | 6 |
1.4%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 557 |