| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 215 | 
                                                                 
                                    
                                    26%
                                 
                                                             | 
                                                        
                    
| 2 | Months | 392 | 
                                                                 
                                    
                                    47.3%
                                 
                                                             | 
                                                        
                    
| 3 | Years | 219 | 
                                                                 
                                    
                                    26.4%
                                 
                                                             | 
                                                        
                    
| 9 | Missing | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9002 |