| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 21 |
23.1%
|
| 2 | Monthly | 16 |
17.6%
|
| 3 | Less than once a month | 54 |
59.3%
|
| 4 | Don't know | 0 |
0%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 909 |