| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 273 |
61.1%
|
| 2 | Monthly | 102 |
22.8%
|
| 3 | Less than once a month | 69 |
15.4%
|
| 4 | Don't know | 1 |
0.2%
|
| 5 | Refused | 2 |
0.4%
|
| Sysmiss | 556 |