| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 30 | 
                                                                 
                                    
                                    47.6%
                                 
                                                             | 
                                                        
                    
| 2 | U: UNSHELLED | 20 | 
                                                                 
                                    
                                    31.7%
                                 
                                                             | 
                                                        
                    
| 3 | NOT APPLICABLE | 13 | 
                                                                 
                                    
                                    20.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 7226 |