| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: Shelled | 120 | 
                                                                 
                                    
                                    96.8%
                                 
                                                             | 
                                                        
                    
| 2 | U: Unshelled | 4 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 3 | Not Applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2522 |