| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 1 hour | 34 | 
                            
                             
                                
                                12.1%
                                                             
                            
                         | 
                        
                    
| 2 | < 24 hours | 37 | 
                            
                             
                                
                                13.1%
                                                             
                            
                         | 
                        
                    
| 3 | 1-2 days | 32 | 
                            
                             
                                
                                11.3%
                                                             
                            
                         | 
                        
                    
| 4 | 3+ days | 66 | 
                            
                             
                                
                                23.4%
                                                             
                            
                         | 
                        
                    
| 9 | dont know/missing | 113 | 
                            
                             
                                
                                40.1%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 317 |