| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 59 |
24.8%
|
| 2 | Monthly | 44 |
18.5%
|
| 3 | Less than once a month | 134 |
56.3%
|
| 4 | Don't know | 1 |
0.4%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 762 |