| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2507 |
77.7%
|
| 2 | Monthly | 533 |
16.5%
|
| 3 | Less than once a month | 172 |
5.3%
|
| 4 | Don't know | 12 |
0.4%
|
| 5 | Refused | 2 |
0.1%
|
| Sysmiss | 794 |