| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 159 | 
                                    
                                    76.4%
                                 | 
| 2 | U: UNSHELLED | 38 | 
                                    
                                    18.3%
                                 | 
| 3 | NOT APPLICABLE | 11 | 
                                    
                                    5.3%
                                 | 
| Sysmiss | 23873 |