| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 484 |
70.2%
|
| 2 | Monthly | 157 |
22.8%
|
| 3 | Less than once a month | 37 |
5.4%
|
| 4 | Don't know | 11 |
1.6%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 311 |