| Value | Category |
|---|---|
| 10 | partially correct |
| 11 | partially correct |
| 19 | other part. correct |
| 20 | correct response |
| 21 | correct response |
| 29 | other compl. res. |
| 70 | incorrect res. |
| 71 | incorrect res. |
| 72 | incorrect res. |
| 73 | incorrect res. |
| 79 | other incor. res. |
| 90 | crossed out,... |
| 98 | not admin |
| 99 | blank(missing) |
| 101 | .A |