| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 260 | 
                                    
                                    61.2%
                                 | 
| 2 | U: UNSHELLED | 91 | 
                                    
                                    21.4%
                                 | 
| 3 | NOT APPLICABLE | 74 | 
                                    
                                    17.4%
                                 | 
| Sysmiss | 4320 |