| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 742 | 
                                                                 
                                    
                                    97.5%
                                 
                                                             | 
                                                        
                    
| 2 | from calendar | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | year | 19 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| 7 | month | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | none | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 11 | .Z | 7471 |