150 Astro Physics            Debian
 150 Mathematics              Debian
>100 Statistics               Fedora Core
  63 Atmospheric Physics      Debian
  53 Comlab                   Fedora Core
  50 Chemistry                Fedora Core
  50 Physiology               SuSE
  40 Experimental Psychology  SuSE
  35 Ecology and Hydrology    Bio-Linux (Debian)
  33 FMRIB                    SUSE
  26 OUCS                     various