| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 256 |
63.2%
|
| 2 | Monthly | 97 |
24%
|
| 3 | Less than once a month | 46 |
11.4%
|
| 4 | Don't know | 4 |
1%
|
| 5 | Refused | 2 |
0.5%
|
| Sysmiss | 595 |