| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 41 | 
                                    
                                    63.1%
                                 | 
| 2 | U: UNSHELLED | 13 | 
                                    
                                    20%
                                 | 
| 3 | NOT APPLICABLE | 11 | 
                                    
                                    16.9%
                                 | 
| Sysmiss | 4680 |