| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 1686 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    
| 2 | Between 15 and 30 minutes | 2423 | 
                                                                 
                                    
                                    19.4%
                                 
                                                             | 
                                                        
                    
| 3 | Between 31 and 60 minutes | 2043 | 
                                                                 
                                    
                                    16.4%
                                 
                                                             | 
                                                        
                    
| 4 | More than 60 minutes | 2937 | 
                                                                 
                                    
                                    23.5%
                                 
                                                             | 
                                                        
                    
| 5 | Don?t know | 3391 | 
                                                                 
                                    
                                    27.2%
                                 
                                                             |