Quarter	US Dollars, sum over component sub-periods
2006-01-01	5430500000.000000
2006-04-01	6083800000.000000
2006-07-01	6146700000.000000
2006-10-01	6124300000.000000
2007-01-01	5792000000.000000
2007-04-01	6318300000.000000
2007-07-01	6783000000.000000
2007-10-01	6658700000.000000
2008-01-01	6084800000.000000
2008-04-01	6929900000.000000
2008-07-01	7078900000.000000
2008-10-01	6448400000.000000
2009-01-01	6150200000.000000
2009-04-01	5563800000.000000
2009-07-01	6679100000.000000
2009-10-01	6644300000.000000
2010-01-01	6324200000.000000
2010-04-01	6527600000.000000
2010-07-01	7115400000.000000
2010-10-01	6909300000.000000
2011-01-01	7057900000.000000
2011-04-01	7816900000.000000
2011-07-01	8541799999.999999
2011-10-01	7997000000.000000
2012-01-01	7261500000.000000
2012-04-01	7594400000.000000
2012-07-01	8241299999.999999
2012-10-01	8200700000.000001
2013-01-01	7400700000.000000
2013-04-01	8294500000.000000
2013-07-01	8252400000.000000
2013-10-01	8202400000.000000
2014-01-01	8113100000.000000
2014-04-01	8463100000.000000
2014-07-01	9060000000.000000
2014-10-01	8823800000.000000
2015-01-01	8100400000.000000
2015-04-01	8573500000.000000
2015-07-01	8415600000.000000
2015-10-01	7551400000.000000
2016-01-01	7498300000.000000
2016-04-01	8255900000.000000
2016-07-01	8534100000.000000
2016-10-01	8847900000.000000
2017-01-01	9046900000.000000
2017-04-01	9298700000.000000
2017-07-01	9610700000.000000
2017-10-01	9503700000.000000
2018-01-01	9554700000.000000
2018-04-01	10301500000.000000