ISI Web of Science allows one to make graphs of their trajectory, their output, and the citations generated from their work.
An attempt to provide an objective rating system is available as the h-index (a rating based on the work of J. E. Hirsch).
My h-index was calculated to be 21.
Figure 1. Number of publications per year for W. P. Arnott, circa 2008.
Figure 2. Net number of citations per year for W. P. Arnott.