| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 24 |
26.4%
|
| 2 | Monthly | 28 |
30.8%
|
| 3 | Less than once a month | 37 |
40.7%
|
| 4 | Don't know | 2 |
2.2%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 913 |