| Value | Category | Cases | |
|---|---|---|---|
| 1 | 14 minutes or less | 444 | 
                                                                 
                                    
                                    44.5%
                                 
                                                             | 
                                                        
                    
| 2 | 15 - 29 minutes | 335 | 
                                                                 
                                    
                                    33.6%
                                 
                                                             | 
                                                        
                    
| 3 | 30 - 44 minutes | 144 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    
| 4 | 45 - 59 minutes | 24 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    
| 5 | 60 minutes or more | 19 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| 6 | Do not know | 7 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 25 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             |