Quarter	US Dollars, sum over component sub-periods
1995-01-01	47084467884.942000
1995-04-01	49957525743.658700
1995-07-01	44843981469.032200
1995-10-01	51581475669.092500
1996-01-01	51980255151.446396
1996-04-01	49087525215.603300
1996-07-01	43655065935.281006
1996-10-01	50931384850.455200
1997-01-01	48643890442.830400
1997-04-01	51423673061.600395
1997-07-01	44624700715.498800
1997-10-01	53084566185.408400
1998-01-01	52713246304.246300
1998-04-01	53294896186.000800
1998-07-01	46055103777.026000
1998-10-01	54083462381.303310
1999-01-01	52077473193.570100
1999-04-01	51627531414.267100
1999-07-01	47345255674.427600
1999-10-01	56622827316.528600
2000-01-01	58035349221.389000
2000-04-01	57388893581.309900
2000-07-01	52109098596.869600
2000-10-01	57657461442.801000
2001-01-01	60711264880.658000
2001-04-01	57647741543.356200
2001-07-01	50679900342.260300
2001-10-01	54913299868.369804
2002-01-01	54731475988.744804
2002-04-01	58694398680.448700
2002-07-01	56226638397.411500
2002-10-01	66071840346.051390
2003-01-01	70419926586.089800
2003-04-01	72266555848.379900
2003-07-01	63780852532.129105
2003-10-01	76309622178.649600
2004-01-01	81889814610.386810
2004-04-01	84010482175.489500
2004-07-01	77801399849.521590
2004-10-01	92505973755.121900
2005-01-01	92316585398.289100
2005-04-01	94336722599.841310
2005-07-01	85394330655.631900
2005-10-01	93030502220.844010
2006-01-01	101122793663.717010
2006-04-01	106632870364.703000
2006-07-01	100864936867.295000
2006-10-01	113196815678.030000
2007-01-01	118077733494.143000
2007-04-01	121103301831.208000
2007-07-01	114643995310.511000
2007-10-01	132568270725.332000
2008-01-01	140545342307.408000
2008-04-01	147134937865.620030
2008-07-01	134374049594.451000
2008-10-01	113752406657.841000
2009-01-01	94671571265.516600
2009-04-01	94804661443.070400
2009-07-01	97041376749.866210
2009-10-01	110847159098.610000
2010-01-01	112616607197.571990
2010-04-01	111825492391.008000
2010-07-01	110459212845.115000
2010-10-01	129618669861.764000
2011-01-01	135623299843.543000
2011-04-01	142241421851.148000
2011-07-01	129451699911.325990
2011-10-01	124956555973.882000
2012-01-01	124296834920.241000
2012-04-01	118356060512.198000
2012-07-01	107540838414.633010
2012-10-01	113638277250.628000
2013-01-01	115738157796.905000
2013-04-01	112416104555.689000
2013-07-01	110310567166.993000
2013-10-01	116937360867.589000
2014-01-01	117832196753.740000
2014-04-01	119299423824.405990
2014-07-01	110380440409.100000
2014-10-01	107121075691.756010
2015-01-01	99472841313.783700
2015-04-01	102994059254.808000
2015-07-01	94716620669.712000
2015-10-01	96508357777.034300
2016-01-01	95946272908.451700
2016-04-01	101861057031.745010
2016-07-01	93649569243.163100
2016-10-01	98225738830.800800
2017-01-01	104093207455.072000
2017-04-01	107277742596.789000
2017-07-01	105821602983.514000
2017-10-01	115681680165.654000
2018-01-01	123767638133.875000
2018-04-01	123393599904.940000