| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 2281 | 
                                                                 
                                    
                                    18.3%
                                 
                                                             | 
                                                        
                    
| 2 | Between 15 and 30 minutes | 2310 | 
                                                                 
                                    
                                    18.5%
                                 
                                                             | 
                                                        
                    
| 3 | Between 31 and 60 minutes | 1748 | 
                                                                 
                                    
                                    14%
                                 
                                                             | 
                                                        
                    
| 4 | More than 60 minutes | 2405 | 
                                                                 
                                    
                                    19.3%
                                 
                                                             | 
                                                        
                    
| 5 | Don?t know | 3736 | 
                                                                 
                                    
                                    29.9%
                                 
                                                             |