| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 21 |
14.1%
|
| 2 | Monthly | 54 |
36.2%
|
| 3 | Less than once a month | 61 |
40.9%
|
| 4 | Never | 12 |
8.1%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 1 |
0.7%
|
| Sysmiss | 851 |