| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 32 |
15.6%
|
| 2 | Monthly | 84 |
41%
|
| 3 | Less than once a month | 66 |
32.2%
|
| 4 | Don't know | 23 |
11.2%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 815 |