http://deepfriedcat.com/   this website indicated AM hold 24% of hash rate of  entire network... but their first chart shows only around 14th/s...therefore they solo mining around 8.52Th/s.....and it not indicate in the first chart....4% lower than the highest point...I guess this 4% is due to sold out old equipments ..... 3TH for the USB and 0.5TH for the blade....look like we are close to to the top...once again ...I am guesses...