| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 64 |
16.9%
|
| 2 | Monthly | 141 |
37.3%
|
| 3 | Less than once a month | 167 |
44.2%
|
| 4 | Don't know | 6 |
1.6%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 622 |