| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 670 | 
                                    
                                    58.3%
                                 | 
| 2 | U: UNSHELLED | 242 | 
                                    
                                    21%
                                 | 
| 3 | NOT APPLICABLE | 238 | 
                                    
                                    20.7%
                                 | 
| Sysmiss | 3595 |