| Value | Category | Cases | |
|---|---|---|---|
| 1 | SHELLED | 1984 | 
                                                                 
                                    
                                    63%
                                 
                                                             | 
                                                        
                    
| 2 | UNSHELLED | 789 | 
                                                                 
                                    
                                    25%
                                 
                                                             | 
                                                        
                    
| 3 | NOT APPLICABLE | 374 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    
| 4 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 7 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 244 |