| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 18 |
27.3%
|
| 2 | Monthly | 24 |
36.4%
|
| 3 | Less than once a month | 23 |
34.8%
|
| 4 | Don't know | 1 |
1.5%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 934 |