H-body.org.... of course!
I don't thing there are any known breakdowns of how many were GTs..... I may be wrong, I don't know about all that numbers stuff.
Here's some info from the
Frequently
Asked
Questions (FAQ)/Library right here on this site:
Lots of info here... see table of contents on left of page.
Look under General Information for FAQs (section 1.11).
http://www.h-body.org/library/hbodyfaq/index.html