| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 7 |
3.5%
|
| 2 | Monthly | 67 |
33.8%
|
| 3 | Less than once a month | 113 |
57.1%
|
| 4 | Don't know | 6 |
3%
|
| 5 | Refused | 5 |
2.5%
|
| Sysmiss | 802 |