What you want is M3, not M2. The Federal Reserve ceased publication of M3 on March 23, 2006. Love the transparency...
Updated my post above again with M3 statistics from Shadow Government Statistics, American Business Analytics & Research LLC, M3 ShadowStats chart at
http://www.shadowstats.com/alternate_data/money-supply-chartsI am still not convinced that the USD money supply increases faster than the BTC money supply. Obviously, this will change in the far future, when most BTC have been mined.