| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 49 |
20.3%
|
| 2 | Monthly | 49 |
20.3%
|
| 3 | Less than once a month | 142 |
58.9%
|
| 4 | Don't know | 0 |
0%
|
| 5 | Refused | 1 |
0.4%
|
| Sysmiss | 759 |