| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 16 |
11%
|
| 2 | Monthly | 74 |
50.7%
|
| 3 | Less than once a month | 46 |
31.5%
|
| 4 | Don't know | 2 |
1.4%
|
| 5 | Refused | 8 |
5.5%
|
| Sysmiss | 984 |