| Value | Category | Cases | |
|---|---|---|---|
| 1 | At time of sale | 2062 | 
                                                                 
                                    
                                    72.8%
                                 
                                                             | 
                                                        
                    
| 2 | Within 1 week of sale | 390 | 
                                                                 
                                    
                                    13.8%
                                 
                                                             | 
                                                        
                    
| 3 | Within 1 month sale | 140 | 
                                                                 
                                    
                                    4.9%
                                 
                                                             | 
                                                        
                    
| 4 | Over 1 month | 242 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             |