| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6monthsandabove | 4 | 
                                                                 
                                    
                                    80%
                                 
                                                             | 
                                                        
                    
| 2 | Lessthan6months | 1 | 
                                                                 
                                    
                                    20%
                                 
                                                             | 
                                                        
                    
| Missing value | 2203 |