| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 24 |
16.1%
|
| 2 | Monthly | 42 |
28.2%
|
| 3 | Less than once a month | 75 |
50.3%
|
| 4 | Never | 6 |
4%
|
| 5 | Don't know | 1 |
0.7%
|
| 6 | Refused | 1 |
0.7%
|
| Sysmiss | 851 |