Quarter	US Dollars, monthly level
1993-01-01	126995722.83127001
1993-04-01	194648171.46990900
1993-07-01	224041634.29811000
1993-10-01	313598805.61673900
1994-01-01	346450512.75183000
1994-04-01	395532403.63657600
1994-07-01	407244191.91459400
1994-10-01	515258041.22286000
1995-01-01	539192490.79932300
1995-04-01	631306528.55833600
1995-07-01	606228042.45049100
1995-10-01	768185852.78437900
1996-01-01	671124603.98463610
1996-04-01	724048141.73622400
1996-07-01	781081753.69959000
1996-10-01	1047658914.85676010
1997-01-01	937454632.23736700
1997-04-01	1097327639.19173000
1997-07-01	1075151330.22406000
1997-10-01	1324498053.60417990
1998-01-01	1137424310.83286000
1998-04-01	1282645803.95294000
1998-07-01	1184045886.46500020
1998-10-01	1180416773.94826000
1999-01-01	791475668.43935100
1999-04-01	818738171.97437110
1999-07-01	834542229.37140700
1999-10-01	982565481.42322800
2000-01-01	956869876.42891300
2000-04-01	1047488351.48535990
2000-07-01	991333898.14836700
2000-10-01	1238416403.98250000
2001-01-01	1176866580.37344000
2001-04-01	1103812715.02321000
2001-07-01	945127101.78204800
2001-10-01	1073734594.06061000
2002-01-01	993025916.38598110
2002-04-01	1195730120.37415000
2002-07-01	1238045339.19455000
2002-10-01	1383866048.08062000
2003-01-01	1399924979.66839980
2003-04-01	1612657857.27871010
2003-07-01	1604763095.52520000
2003-10-01	1863490956.72084000
2004-01-01	1817578544.18269000
2004-04-01	2124005971.22125000
2004-07-01	2017488910.23031000
2004-10-01	2375109282.82957030
2005-01-01	2306072543.48949000
2005-04-01	2542437586.12718000
2005-07-01	2585368968.61966000
2005-10-01	2778642393.24973000
2006-01-01	2936455186.56249000
2006-04-01	3478323693.29336000
2006-07-01	3435714643.77181960
2006-10-01	3621482434.58754000
2007-01-01	3581102870.40073000
2007-04-01	4057671262.88588000
2007-07-01	3799694426.95475000
2007-10-01	4247821989.04321000
2008-01-01	3990028708.65198000
2008-04-01	4462312456.55814000
2008-07-01	4208964842.91909000
2008-10-01	3397370042.66212000
2009-01-01	2285568250.10800030
2009-04-01	2414758171.38938000
2009-07-01	2610439343.11924030
2009-10-01	2838020469.34629960
2010-01-01	2715003285.15464970
2010-04-01	2866260517.38831000
2010-07-01	3043872915.13021040
2010-10-01	3660994988.00062000
2011-01-01	4043024914.22072030
2011-04-01	4729423346.43248000
2011-07-01	4480590820.00910000
2011-10-01	4226101337.86009000
2012-01-01	4385183699.18971100
2012-04-01	4515411755.30548000
2012-07-01	4504796135.56586000
2012-10-01	4693345916.42629050
2013-01-01	4493928644.74241000
2013-04-01	4716753129.42795900
2013-07-01	4545049846.24796000
2013-10-01	4700271553.95290000
2014-01-01	4487922056.37024000
2014-04-01	4788762515.20321900
2014-07-01	4590833453.61292000
2014-10-01	4429314328.53603000
2015-01-01	3582215440.48468000
2015-04-01	3697154163.61026000
2015-07-01	3635154627.89179000
2015-10-01	3613736201.79062000
2016-01-01	3561451064.82671000
2016-04-01	3939595578.55073000
2016-07-01	3700442978.83140040
2016-10-01	3752985360.97360000
2017-01-01	3987834215.35917000
2017-04-01	4083161538.01897050
2017-07-01	4135941013.68924950
2017-10-01	4428253810.34573900
2018-01-01	4688370704.96468100
2018-04-01	5025476517.02503000