| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 20 | 
                                    
                                    0.9%
                                 | 
| 2 | Weekly | 53 | 
                                    
                                    2.3%
                                 | 
| 3 | Monthly | 83 | 
                                    
                                    3.6%
                                 | 
| 4 | More than monthly | 152 | 
                                    
                                    6.6%
                                 | 
| 5 | Never | 1904 | 
                                    
                                    82.9%
                                 | 
| 98 | Don’t know | 84 | 
                                    
                                    3.7%
                                 | 
| Sysmiss | 475 |