| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 4 | 
                            
                             
                                
                                3.8%
                                                             
                            
                         | 
                        
                    
| 2 | Weeks | 10 | 
                            
                             
                                
                                9.5%
                                                             
                            
                         | 
                        
                    
| 3 | Months | 57 | 
                            
                             
                                
                                54.3%
                                                             
                            
                         | 
                        
                    
| 4 | Years | 34 | 
                            
                             
                                
                                32.4%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 408 |