Here is the SHIFTDELPHI CPU usage for the 5 years: 1996, 1997, 1998, 1999, 2000. This reflect both the users CPU usage (green color) and the SHIFTDELPHI Total available CPU (red color), itself reflecting the history of SHIFTDELPHI (added/removed/upgraded machines).
The SHIFTDELPHI cluster was NQS++ only up to week 13 of 1998, then being NQS++ and LSF.
Please note that the weeks 01, 51 and 52 can be merged in the following plots, for accounting administration convenience