| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 90 |
18.5%
|
| 2 | Monthly | 127 |
26.1%
|
| 3 | Less than once a month | 227 |
46.6%
|
| 4 | Never | 39 |
8%
|
| 5 | Don't know | 4 |
0.8%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 514 |