| Value | Category | Cases | |
|---|---|---|---|
| 1 | day | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 2 | week | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 3 | month | 7113 | 
                                                                 
                                    
                                    67.4%
                                 
                                                             | 
                                                        
                    
| 4 | not periodic | 3435 | 
                                                                 
                                    
                                    32.6%
                                 
                                                             |