| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: Shelled | 313 | 
                                                                 
                                    
                                    81.9%
                                 
                                                             | 
                                                        
                    
| 2 | U: Unshelled | 46 | 
                                                                 
                                    
                                    12%
                                 
                                                             | 
                                                        
                    
| 3 | Not Applicable | 23 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2264 |