| Value | Category | Cases | |
|---|---|---|---|
| 0 | No data from Individual file | 33 | 
                                                                 
                                    
                                    45.8%
                                 
                                                             | 
                                                        
                    
| 1 | Month and year - information complete | 38 | 
                                                                 
                                    
                                    52.8%
                                 
                                                             | 
                                                        
                    
| 2 | Month and age - year imputed | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 3 | Year and age - month imputed | 1 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 4 | Year and age - year ignored | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | Year - age/month imputed | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | Age - year/month imputed | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 7 | Month - age/year imputed | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | None - all imputed | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6409 |