| Value | Category | Cases | |
|---|---|---|---|
| 1 | SHELLED | 580 | 
                                                                 
                                    
                                    53.5%
                                 
                                                             | 
                                                        
                    
| 2 | UNSHELLED | 221 | 
                                                                 
                                    
                                    20.4%
                                 
                                                             | 
                                                        
                    
| 3 | NOT APPLICABLE | 284 | 
                                                                 
                                    
                                    26.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3272 |