| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: Shelled | 130 | 
                                                                 
                                    
                                    86.7%
                                 
                                                             | 
                                                        
                    
| 2 | U: Unshelled | 17 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    
| 3 | Not Applicable | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2496 |