| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Month and year | 4738 | 
                                    
                                    59.9%
                                 | 
| 2 | Month and age -y imp | 5 | 
                                    
                                    0.1%
                                 | 
| 3 | Year and age - m imp | 2436 | 
                                    
                                    30.8%
                                 | 
| 4 | Y & age - y ignored | 0 | 
                                    
                                    0%
                                 | 
| 5 | Year - a, m imp | 725 | 
                                    
                                    9.2%
                                 | 
| 6 | Age - y, m imp | 3 | 
                                    
                                    0%
                                 | 
| 7 | Month - a, y imp | 0 | 
                                    
                                    0%
                                 | 
| 8 | None - all imp | 6 | 
                                    
                                    0.1%
                                 |