| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 53 |
42.4%
|
| 2 | Monthly | 44 |
35.2%
|
| 3 | Less than once a month | 23 |
18.4%
|
| 4 | Don't know | 4 |
3.2%
|
| 5 | Refused | 1 |
0.8%
|
| Sysmiss | 875 |