Quarter Billions of US Dollars 2008-01-01 46372.060 2008-04-01 47097.109 2008-07-01 45562.355 2008-10-01 45346.571 2009-01-01 44556.143 2009-04-01 46791.774 2009-07-01 48269.096 2009-10-01 48069.742 2010-01-01 47486.583 2010-04-01 46668.629 2010-07-01 49783.141 2010-10-01 50298.090 2011-01-01 52093.180 2011-04-01 53666.994 2011-07-01 52849.259 2011-10-01 53367.530 2012-01-01 55192.295 2012-04-01 54695.973 2012-07-01 56754.344 2012-10-01 57248.099 2013-01-01 57160.719 2013-04-01 57790.181 2013-07-01 59536.260 2013-10-01 60151.598 2014-01-01 61031.837 2014-04-01 62304.510 2014-07-01 60890.779 2014-10-01 60178.180 2015-01-01 59731.102 2015-04-01 61163.987 2015-07-01 60905.571 2015-10-01 61235.683 2016-01-01 63862.066 2016-04-01 64145.695 2016-07-01 64960.740 2016-10-01 62919.598 2017-01-01 64893.200 2017-04-01 66836.933 2017-07-01 68723.778 2017-10-01 70175.454 2018-01-01 73222.979