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 20.

Figure 1. Number of publications per year for W. P. Arnott. Calculated in 2008, before completion of the year.

Figure 2. Net number of citations per year for W. P. Arnott.