| Value | Category |
|---|---|
| 10 | part. correct |
| 11 | part. correct |
| 19 | other part. corr. |
| 20 | complete resp. |
| 21 | complete resp. |
| 29 | other complete |
| 70 | incor. resp. |
| 71 | incor. resp. |
| 72 | incor. resp. |
| 73 | incor. resp. |
| 76 | incor. resp. |
| 79 | other incorr. resp. |
| 90 | crossed out,... |
| 98 | not admin. |
| 99 | missing |
| 101 | .A |