| Value | Category | Cases | |
|---|---|---|---|
| 1 | Child adds numbers correctly | 3668 |
40.9%
|
| 2 | Child didnt add numbers correctly | 767 |
8.6%
|
| 3 | No attempt | 1122 |
12.5%
|
| Sysmiss | 3408 |
38%
|