| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 1 hour | 38 | 
                            
                             
                                
                                13.5%
                                                             
                            
                         | 
                        
                    
| 2 | < 24 hours | 75 | 
                            
                             
                                
                                26.6%
                                                             
                            
                         | 
                        
                    
| 3 | 1-2 days | 27 | 
                            
                             
                                
                                9.6%
                                                             
                            
                         | 
                        
                    
| 4 | 3+ days | 73 | 
                            
                             
                                
                                25.9%
                                                             
                            
                         | 
                        
                    
| 9 | dont know/missing | 69 | 
                            
                             
                                
                                24.5%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 317 |