Quarter	US Dollars, sum over component sub-periods
1995-01-01	6033663097.8972200
1995-04-01	6714903969.1613200
1995-07-01	6216946325.3902500
1995-10-01	7097946172.5942900
1996-01-01	6818099783.1378400
1996-04-01	6856851262.2058900
1996-07-01	6446142426.0355000
1996-10-01	7618251668.6180600
1997-01-01	6697834354.2829290
1997-04-01	7196197444.1658400
1997-07-01	6677178218.6678200
1997-10-01	7728848800.1261810
1998-01-01	7160377888.2242990
1998-04-01	7172724310.0535100
1998-07-01	6981758612.5391200
1998-10-01	7691635486.9059600
1999-01-01	7335454575.4334800
1999-04-01	7055604114.0852900
1999-07-01	7032995740.8105800
1999-10-01	7936910423.3257100
2000-01-01	7684767195.2294900
2000-04-01	8104878453.4940195
2000-07-01	7431892667.0595600
2000-10-01	8408988435.0587600
2001-01-01	8008690601.8236800
2001-04-01	7358425360.5377500
2001-07-01	7001513988.3940800
2001-10-01	7630001939.6292400
2002-01-01	7086408566.6498400
2002-04-01	7872544281.7660400
2002-07-01	8002107420.2708800
2002-10-01	8785100620.5035800
2003-01-01	9519792444.4734800
2003-04-01	9747880453.3729800
2003-07-01	9248285528.2949300
2003-10-01	10848100972.6702000
2004-01-01	11227470628.2734010
2004-04-01	11342813179.3006000
2004-07-01	11609931988.1684000
2004-10-01	13750047729.6739000
2005-01-01	13540316251.1402020
2005-04-01	13859603582.9623000
2005-07-01	13275242840.3273010
2005-10-01	14442153215.5520000
2006-01-01	14959235148.5973000
2006-04-01	16172339878.8603000
2006-07-01	16588202296.3411000
2006-10-01	17680714167.6780000
2007-01-01	18107813514.3362000
2007-04-01	19141369444.7684000
2007-07-01	18746427727.5146980
2007-10-01	20963711784.2639000
2008-01-01	22101556244.2716980
2008-04-01	24205652194.5967000
2008-07-01	22498641254.6884000
2008-10-01	17375903061.7731970
2009-01-01	13732679649.6602000
2009-04-01	13491579247.8238000
2009-07-01	14779138051.9099000
2009-10-01	16239075582.5940000
2010-01-01	14799403002.7774010
2010-04-01	15407073488.0344000
2010-07-01	16526493048.7566010
2010-10-01	18477202739.6770000
2011-01-01	19362647409.0109980
2011-04-01	20640960777.5943000
2011-07-01	19586767098.9934000
2011-10-01	20067098083.7034000
2012-01-01	19398389784.2417000
2012-04-01	18179919713.5459000
2012-07-01	17398741183.5822000
2012-10-01	18687073777.8009000
2013-01-01	18987528680.6833000
2013-04-01	17983755747.6164970
2013-07-01	18879614229.8224000
2013-10-01	19272008805.7011030
2014-01-01	18300185201.4782030
2014-04-01	19393698289.0641020
2014-07-01	18111526137.0119970
2014-10-01	17279969302.9283000
2015-01-01	14616472636.9427010
2015-04-01	13681810511.0877000
2015-07-01	14138567860.0633000
2015-10-01	14684056205.7512000
2016-01-01	13781083182.4396000
2016-04-01	15077310941.6092000
2016-07-01	14408141055.3199000
2016-10-01	15175639597.3343010
2017-01-01	14967880571.2148000
2017-04-01	16038047263.2013020
2017-07-01	16798739039.6582010
2017-10-01	17765207433.2691000
2018-01-01	18229170579.4303000
2018-04-01	17916950352.5559000