| Value | Category | Cases | |
|---|---|---|---|
| 1 | Original | 2734 | 
                                    
                                    100%
                                 | 
| 2 | Returned just once | 0 | 
                                    
                                    0%
                                 | 
| 3 | Followed-up just once | 0 | 
                                    
                                    0%
                                 | 
| 4 | Other | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 907 |