| Revision no. | Date | Comments |
| 0.1 | 28/1/99 | first draft version |
| 0.2 | 6/2/99 | comments from Julian included/discussed |
| 0.3 | 25/3/99 | some comments from SOC/SAS review included/discussed |
| 0.4 | 12/4/99 | all SOC/SAS comments included/discussed; submitted for approval |
| 1.0 | 26/4/99 | first approved version; up to date with atthkgen v0.1 |
| 1.1 | 28/5/99 | For SAS V3 (task version 1.1) |
| 1.2 | 18/8/99 | In line with task version 1.4 (mean/median values included) |
| 1.3 | 16/9/99 | New latex macros used |
| 1.11-1.15.1 | 03/12/99-15/11/00 | New numbering scheme |
| 1.16 | 17/11/00 | columns DAHFPNT and DOMPNT now used |
| 1.17.1 | 08/03/02 | added call to OAL_addCommonAttributes() |
| 1.17.3 | 24/05/02 | corrected determination of median values |
| 1.20 | 15/07/02 | adapted to new SAS infrastructure (param, sas) |