| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 8296 | 
                                    
                                    98.7%
                                 | 
| 3 | Year and age - m imp | 82 | 
                                    
                                    1%
                                 | 
| 5 | Year - a, m imp | 19 | 
                                    
                                    0.2%
                                 | 
| 7 | Month - a, y imp | 3 | 
                                    
                                    0%
                                 | 
| 8 | None - all imp | 2 | 
                                    
                                    0%
                                 |