Quarter	US Dollars, sum over component sub-periods
1995-01-01	4085676352.5580400
1997-01-01	12923654934.7505000
1997-04-01	43486436340.2121050
1997-07-01	41265958566.0982000
1997-10-01	17396705549.3339000
1998-01-01	44094150985.9544000
1998-04-01	49265505309.3206000
1998-07-01	14253092599.2217000
1998-10-01	16528138883.1505000
1999-01-01	30958673765.5443000
1999-04-01	36098587106.9770000
1999-07-01	30074745005.0258980
1999-10-01	39504998096.4336000
2000-01-01	38035347443.2368000
2000-04-01	25636918352.4395980
2000-07-01	21456156079.0364000
2000-10-01	17490612474.1130000
2001-01-01	59758167866.6048050
2001-04-01	21199458226.5981980
2001-07-01	-6575229454.1003300
2001-10-01	-897457616.5080171
2002-01-01	6316114368.7558990
2002-04-01	11894294595.1104000
2002-07-01	9762122490.8747900
2002-10-01	26988597464.8337000
2003-01-01	44317200623.9151000
2003-04-01	44869987726.1078000
2003-07-01	8299469224.3233890
2003-10-01	6338609367.4769800
2004-01-01	31988833907.0985000
2004-04-01	8548811403.5169700
2004-07-01	19374543971.8304980
2004-10-01	34031513863.7018000
2005-01-01	89306461379.0422000
2005-04-01	72112677663.4014000
2005-07-01	29674115272.5279000
2005-10-01	56889438400.2277000
2006-01-01	107750759703.3410000
2006-04-01	56595019823.2162000
2006-07-01	41364081238.9900050
2006-10-01	56536492446.8758000
2007-01-01	71605251413.5080000
2007-04-01	110485833999.1780000
2007-07-01	185608195.3219280
2007-10-01	45677619607.6289000
2008-01-01	-9330835974.0594100
2008-04-01	85858523030.2020100
2008-07-01	-19870001017.4538000
2008-10-01	-114568010270.9450000
2009-01-01	54686119472.7162000
2009-04-01	7955769250.6093100
2009-07-01	25583128538.3670000
2009-10-01	-70951632590.0224000
2010-01-01	34003340812.2720000
2010-04-01	-27600580885.2449000
2010-07-01	8289093401.2140210
2010-10-01	4639321160.9649700
2011-01-01	36485779463.1314000
2011-04-01	3688918657.9021196
2011-07-01	40914486031.3965000
2011-10-01	-11243449275.4467980
2012-01-01	8389095419.8076000
2012-04-01	14644472252.8528000
2012-07-01	-20468297579.1034000
2012-10-01	-11734739988.8100010
2013-01-01	-624120991.3803480
2013-04-01	22618784734.4205000
2013-07-01	24260165201.6556000
2013-10-01	-12531773788.6920000
2014-01-01	30131646209.8179000
2014-04-01	48920991314.4772000
2014-07-01	42959575744.3210000
2014-10-01	49925738319.8413000
2015-01-01	79889649847.9599900
2015-04-01	25656989363.4358020
2015-07-01	16841104301.9421000
2015-10-01	8257387892.4360000
2016-01-01	51957901828.9948000
2016-04-01	34608255372.8609000
2016-07-01	11607301987.1002000
2016-10-01	13147767279.6559000
2017-01-01	76431345162.1458900
2017-04-01	27217279960.8933000
2017-07-01	31711246177.0797000
2017-10-01	42007938966.1214000
2018-01-01	62316383988.3315050
2018-04-01	34050663242.3249970