| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 41 |
17.2%
|
| 2 | Monthly | 106 |
44.4%
|
| 3 | Less than once a month | 76 |
31.8%
|
| 4 | Don't know | 12 |
5%
|
| 5 | Refused | 4 |
1.7%
|
| Sysmiss | 761 |