| Value | Category | Cases | |
|---|---|---|---|
| 1 | grams from card | 653 | 
                                    
                                    67%
                                 | 
| 2 | grams from recall | 315 | 
                                    
                                    32.3%
                                 | 
| 9 | special answers | 7 | 
                                    
                                    0.7%
                                 | 
| Sysmiss | 14376 |