| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: Shelled | 193 | 
                                                                 
                                    
                                    70.7%
                                 
                                                             | 
                                                        
                    
| 2 | U: Unshelled | 42 | 
                                                                 
                                    
                                    15.4%
                                 
                                                             | 
                                                        
                    
| 3 | Not Applicable | 38 | 
                                                                 
                                    
                                    13.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2373 |