| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 589 |
80.2%
|
| 2 | Monthly | 107 |
14.6%
|
| 3 | Less than once a month | 27 |
3.7%
|
| 4 | Don't know | 8 |
1.1%
|
| 5 | Refused | 3 |
0.4%
|
| Sysmiss | 266 |