| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 28 |
25.2%
|
| 2 | Monthly | 11 |
9.9%
|
| 3 | Less than once a month | 70 |
63.1%
|
| 4 | Don't know | 2 |
1.8%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 889 |