| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4 |
26.7%
|
| 2 | Monthly | 3 |
20%
|
| 3 | Less than once a month | 8 |
53.3%
|
| 4 | Don't know | 0 |
0%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 985 |