| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 4854 | 
                                    
                                    99.3%
                                 | 
| 3 | Year and age - m imp | 12 | 
                                    
                                    0.2%
                                 | 
| 5 | Year - a, m imp | 3 | 
                                    
                                    0.1%
                                 | 
| 6 | Age - y, m imp | 2 | 
                                    
                                    0%
                                 | 
| 7 | Month - a, y imp | 2 | 
                                    
                                    0%
                                 | 
| 8 | None - all imp | 14 | 
                                    
                                    0.3%
                                 |