| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 101 |
33%
|
| 2 | Monthly | 138 |
45.1%
|
| 3 | Less than once a month | 67 |
21.9%
|
| 4 | Don't know | 0 |
0%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 694 |