| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 163 | 
                                    
                                    47.1%
                                 | 
| 2 | U: UNSHELLED | 25 | 
                                    
                                    7.2%
                                 | 
| 3 | NOT APPLICABLE | 158 | 
                                    
                                    45.7%
                                 | 
| Sysmiss | 2783 |