Quarter	US Dollars, sum over component sub-periods
1995-01-01	3386348851.3407500
1995-04-01	3419262294.8060100
1995-07-01	3215458464.8671800
1995-10-01	3579500296.3961400
1996-01-01	3358837719.3855300
1996-04-01	3479312288.2731900
1996-07-01	3651945436.2303600
1996-10-01	4127186915.7276597
1997-01-01	3897994192.9358900
1997-04-01	4194478382.1303200
1997-07-01	4264766481.1952800
1997-10-01	4986284885.7559805
1998-01-01	4936636182.2733590
1998-04-01	5346323255.0150500
1998-07-01	5387674050.0356400
1998-10-01	6109621072.3344700
1999-01-01	5385821375.1806700
1999-04-01	5665736588.0981290
1999-07-01	5937231264.7950800
1999-10-01	7039598659.2738000
2000-01-01	6417410491.4531500
2000-04-01	6628646900.4604290
2000-07-01	6984412338.4409100
2000-10-01	8000729711.6291500
2001-01-01	7310519611.8209300
2001-04-01	7357878625.3842800
2001-07-01	7011888896.6468310
2001-10-01	7831425293.9410095
2002-01-01	7444524869.9433790
2002-04-01	7986878829.0366800
2002-07-01	8280841076.9110190
2002-10-01	9370442169.8009300
2003-01-01	9169723523.3893600
2003-04-01	10443445450.5422000
2003-07-01	10493032281.4420000
2003-10-01	12089417349.8639980
2004-01-01	12065368044.5422000
2004-04-01	14088685263.9911000
2004-07-01	13767616380.4751000
2004-10-01	15534955848.9212990
2005-01-01	14277537135.7093010
2005-04-01	15418837913.6321000
2005-07-01	15446906623.2560000
2005-10-01	15979725941.5349000
2006-01-01	16217856959.9959980
2006-04-01	17553692971.9959000
2006-07-01	18336063553.6957000
2006-10-01	20659824126.3933030
2007-01-01	20443116120.5550000
2007-04-01	21790592650.2095000
2007-07-01	22591617835.6744000
2007-10-01	25341401843.5033000
2008-01-01	27512359248.0224000
2008-04-01	29576331564.3539000
2008-07-01	27889804203.7816000
2008-10-01	22061206363.0121000
2009-01-01	16932344802.7626000
2009-04-01	17692161051.3526000
2009-07-01	19522043357.2570000
2009-10-01	21595946252.5490000
2010-01-01	19753917456.6772000
2010-04-01	19714651940.9256000
2010-07-01	21195896321.9905000
2010-10-01	23601811889.5086020
2011-01-01	23321386358.9247000
2011-04-01	24773492824.7593000
2011-07-01	24141240945.5064000
2011-10-01	23670083954.8444000
2012-01-01	22083046030.7297000
2012-04-01	21353175476.2320020
2012-07-01	20705189023.4624980
2012-10-01	22117313347.8173000
2013-01-01	21250114124.9729000
2013-04-01	22010027791.8777000
2013-07-01	21971846405.9829000
2013-10-01	23683044258.0296970
2014-01-01	23487262309.8379970
2014-04-01	25039245258.6352000
2014-07-01	23569852317.5754000
2014-10-01	23116747736.4639000
2015-01-01	19874159419.6494000
2015-04-01	21043482133.9341000
2015-07-01	20751246780.9339000
2015-10-01	20900826536.2111000
2016-01-01	19838645462.1968000
2016-04-01	21524177080.2082000
2016-07-01	20974210107.3650000
2016-10-01	21161523253.0454980
2017-01-01	22128372183.9760000
2017-04-01	22899046043.5230980
2017-07-01	24268411562.8953000
2017-10-01	25174466820.8458000
2018-01-01	27032898059.9990000
2018-04-01	27571500216.7881000