| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: SHELLED | 4 | 
                                    
                                    3.9%
                                 | 
| 2 | U: UNSHELLED | 2 | 
                                    
                                    1.9%
                                 | 
| 3 | NOT APPLICABLE | 97 | 
                                    
                                    94.2%
                                 | 
| Sysmiss | 859 |