| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 3 |
8.3%
|
| 2 | Monthly | 20 |
55.6%
|
| 3 | Less than once a month | 13 |
36.1%
|
| 4 | Don't know | 0 |
0%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 974 |