| Value | Category | Cases | |
|---|---|---|---|
| 1 | Child adds numbers correctly | 1957 |
33.5%
|
| 2 | Child didnt add numbers correctly | 199 |
3.4%
|
| 3 | No attempt | 1270 |
21.7%
|
| Sysmiss | 2424 |
41.4%
|