| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 12 |
10.2%
|
| 2 | Monthly | 61 |
51.7%
|
| 3 | Less than once a month | 34 |
28.8%
|
| 4 | Don't know | 11 |
9.3%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 888 |