| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 494 |
65.1%
|
| 2 | Monthly | 159 |
20.9%
|
| 3 | Less than once a month | 102 |
13.4%
|
| 4 | Don't know | 4 |
0.5%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 241 |