| Value | Category | Cases | |
|---|---|---|---|
| 10 mins | 6 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| 15 mins | 4 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 20 mins | 8 | 
                                                                 
                                    
                                    16.7%
                                 
                                                             | 
                                                        
                    |
| 25 min | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 25 mins | 13 | 
                                                                 
                                    
                                    27.1%
                                 
                                                             | 
                                                        
                    |
| 30 mins | 5 | 
                                                                 
                                    
                                    10.4%
                                 
                                                             | 
                                                        
                    |
| 35 mins | 6 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| 40 mins | 4 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 45 mins | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             |