| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 141 | 
                                    
                                    92.2%
                                 | 
| 2 | From calendar | 1 | 
                                    
                                    0.7%
                                 | 
| 5 | Year | 11 | 
                                    
                                    7.2%
                                 | 
| 7 | Month | 0 | 
                                    
                                    0%
                                 | 
| 8 | None | 0 | 
                                    
                                    0%
                                 |