| Value | Category | Cases | |
|---|---|---|---|
| 1 | Child adds numbers correctly | 1836 | 
                                    
                                    31.4%
                                 | 
| 2 | Child didnt add numbers correctly | 277 | 
                                    
                                    4.7%
                                 | 
| 3 | No attempt | 1312 | 
                                    
                                    22.4%
                                 | 
| Sysmiss | 2425 | 
                                    
                                    41.5%
                                 |