| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 36 |
24%
|
| 2 | Monthly | 29 |
19.3%
|
| 3 | Less than once a month | 84 |
56%
|
| 4 | Don't know | 1 |
0.7%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 850 |