Banknotes and Coin in Circulation 2010-2014http://www.bis.org/cpmi/publ/d142a.pdf http://data.worldbank.org/indicator/FM.LBL.MONY.CN/countries/1W?display=default http://www.tradingeconomics.com/country-list/money-supply-m1 http://www.tradingeconomics.com/country-list/money-supply-m2
Value and Volume of U.S. Currency in Ciruclation http://www.federalreserve.gov/paymentsystems/coin_data.htm
Current Global Public Debt Clock via @TheEconomist http://www.economist.com/content/global_debt_clock
http://www.bis.org/cpmi/publ/d142a.pdf
