| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 2 | Twice a week | 53 | 
                                                                 
                                    
                                    86.9%
                                 
                                                             | 
                                                        
                    
| 3 | Once a week | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | Others | 6 | 
                                                                 
                                    
                                    9.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 10855 |