| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Less Than 8 Hours | 69 | 10417 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 8-16 Hours | 116 | 19856 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 17-23 Hours | 559 | 96805 | 
                                                                 
                                    
                                    18.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | 24 Hours | 2361 | 394450 | 
                                                                 
                                    
                                    75.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 20 | 3004 |