| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 894 | 
                                    
                                    75.7%
                                 | 
| 2 | U: UNSHELLED | 250 | 
                                    
                                    21.2%
                                 | 
| 3 | NOT APPLICABLE | 37 | 
                                    
                                    3.1%
                                 | 
| Sysmiss | 3564 |