| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 250 |
70.2%
|
| 2 | Monthly | 61 |
17.1%
|
| 3 | Less than once a month | 29 |
8.1%
|
| 4 | Don't know | 13 |
3.7%
|
| 5 | Refused | 3 |
0.8%
|
| Sysmiss | 644 |