04-25-2014, 11:09 AM
(04-25-2014, 10:54 AM)'JonTom' Wrote: ... IIRC it was a decent (to my non-scientifically trained mind) period of time between each contour in the graph plot (10 years maybe?)....Just had to look it up. The report shows 1968, 1980, 1991, 2003, and 2006. They still could have picked sources to match an agenda and I can't find any cited source, but I'm rather pleasantly surprised that I (roughly) remembered the time interval correctly.