| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 92 |
31.8%
|
| 2 | Monthly | 82 |
28.4%
|
| 3 | Less than once a month | 109 |
37.7%
|
| 4 | Don't know | 3 |
1%
|
| 5 | Refused | 3 |
1%
|
| Sysmiss | 711 |