| Value | Category | Cases | |
|---|---|---|---|
| 1 | At the time of the sale | 3479 | 
                                                                 
                                    
                                    96.9%
                                 
                                                             | 
                                                        
                    
| 2 | Within one week | 81 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    
| 3 | Within one month | 14 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 4 | One month or more | 17 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9421 |