| Value | Category | Cases | |
|---|---|---|---|
| 1 | Child adds numbers correctly | 1534 | 
                                    
                                    26.2%
                                 | 
| 2 | Child didnt add numbers correctly | 518 | 
                                    
                                    8.9%
                                 | 
| 3 | No attempt | 1371 | 
                                    
                                    23.4%
                                 | 
| Sysmiss | 2427 | 
                                    
                                    41.5%
                                 |