Quarter	US Dollars, sum over component sub-periods
1995-01-01	141044582.62713900
1995-04-01	148387893.21991400
1995-07-01	170882720.97360998
1995-10-01	162398370.42830100
1996-01-01	134638996.14340400
1996-04-01	183932298.54205897
1996-07-01	199684049.75547600
1996-10-01	194583509.23745200
1997-01-01	153773673.04811900
1997-04-01	193355405.85286700
1997-07-01	213930059.97878298
1997-10-01	209259638.51758602
1998-01-01	190108538.33510500
1998-04-01	231077763.37535200
1998-07-01	272916384.33260405
1998-10-01	236873235.59825700
1999-01-01	198107579.79688200
1999-04-01	246587761.52067600
1999-07-01	273478682.13926500
1999-10-01	269941427.72652400
2000-01-01	217352857.74515700
2000-04-01	296255037.05594400
2000-07-01	307714742.90108800
2000-10-01	278226221.63706100
2001-01-01	243307185.92990500
2001-04-01	257644899.57927800
2001-07-01	296657716.46870100
2001-10-01	229493811.12116500
2002-01-01	224908152.93131100
2002-04-01	272822382.49642800
2002-07-01	306822399.12160300
2002-10-01	276012281.57693200
2003-01-01	307259870.95708500
2003-04-01	361897105.47217300
2003-07-01	400466113.12981600
2003-10-01	384689645.71292704
2004-01-01	386526690.07696300
2004-04-01	432184205.96607804
2004-07-01	452414905.30218905
2004-10-01	493138460.99372400
2005-01-01	507228181.71416900
2005-04-01	593785187.71338000
2005-07-01	637882386.10667100
2005-10-01	680542725.05252000
2006-01-01	577942523.05873800
2006-04-01	599886653.22275500
2006-07-01	638391168.91538690
2006-10-01	623765698.78449600
2007-01-01	586120849.74367200
2007-04-01	747919225.65368500
2007-07-01	759483527.38718400
2007-10-01	785521456.55159500
2008-01-01	637968801.45568400
2008-04-01	672479679.26795100
2008-07-01	672665154.37530600
2008-10-01	439115961.11458400
2009-01-01	427437910.80917400
2009-04-01	454326562.26782500
2009-07-01	543423903.53187100
2009-10-01	546564935.26017600
2010-01-01	494924171.77277800
2010-04-01	526576391.93181400
2010-07-01	555794653.03347700
2010-10-01	607286583.75330000
2011-01-01	546653873.71453300
2011-04-01	656400284.26588300
2011-07-01	715571534.19984600
2011-10-01	673844757.69859100
2012-01-01	601972782.21305800
2012-04-01	721199442.52858600
2012-07-01	718399697.26998200
2012-10-01	697286098.60229500
2013-01-01	597780542.28709400
2013-04-01	694655614.27340400
2013-07-01	737622971.43901610
2013-10-01	793980936.14227500
2014-01-01	691007101.86546490
2014-04-01	797861084.45113410
2014-07-01	819532123.21607800
2014-10-01	810479966.84006000
2015-01-01	607229267.89045200
2015-04-01	704799835.89300690
2015-07-01	759679934.45767200
2015-10-01	772752864.85475790
2016-01-01	656581457.17135400
2016-04-01	796307285.73612200
2016-07-01	917269182.71055500
2016-10-01	866217717.25396610
2017-01-01	742712622.92773600
2017-04-01	976781861.80350200
2017-07-01	1035763089.37989010
2017-10-01	1043053980.54247010
2018-01-01	971161207.04933000
2018-04-01	1167492347.57196000