| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 349 | 
                                                                 
                                    
                                    48.9%
                                 
                                                             | 
                                                        
                    
| 2 | U: UNSHELLED | 112 | 
                                                                 
                                    
                                    15.7%
                                 
                                                             | 
                                                        
                    
| 3 | NOT APPLICABLE | 252 | 
                                                                 
                                    
                                    35.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2373 |