| Value | Category | Cases | |
|---|---|---|---|
| 5 hours or more | 2 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| Between 1 hour and less than 3 hours | 8 | 
                                                                 
                                    
                                    20.5%
                                 
                                                             | 
                                                        
                    |
| Between 3 and less than 5 hours | 12 | 
                                                                 
                                    
                                    30.8%
                                 
                                                             | 
                                                        
                    |
| Between 30 minutes and less than 1 hour | 2 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 15 | 
                                                                 
                                    
                                    38.5%
                                 
                                                             |