| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 31 |
16.1%
|
| 2 | Monthly | 123 |
64.1%
|
| 3 | Less than once a month | 30 |
15.6%
|
| 4 | Never | 8 |
4.2%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 808 |