Quarter	US Dollars, sum over component sub-periods
1995-01-01	2078418436.8908200
1995-04-01	2188362676.3971100
1995-07-01	2316127172.2923000
1995-10-01	2391400897.2910600
1996-01-01	2265458700.8251800
1996-04-01	2223405268.2194300
1996-07-01	2387155718.3857800
1996-10-01	2590485998.6727900
1997-01-01	2191174996.1509900
1997-04-01	2209363072.3580800
1997-07-01	2406763539.2255400
1997-10-01	2564675662.4523400
1998-01-01	2423940601.0390300
1998-04-01	2401315117.6800103
1998-07-01	2680979869.5960900
1998-10-01	2884282937.0369800
1999-01-01	2759228280.7499800
1999-04-01	2870027890.0421200
1999-07-01	3108461213.5673400
1999-10-01	3275252147.5689100
2000-01-01	3596801583.4813000
2000-04-01	3287450094.1373300
2000-07-01	3424689158.6035500
2000-10-01	3377263719.0271397
2001-01-01	3348295318.4891996
2001-04-01	3444638896.7920900
2001-07-01	3430690151.0446200
2001-10-01	3379438455.9345300
2002-01-01	3012975029.2038900
2002-04-01	3287622017.7454600
2002-07-01	3569804768.1766000
2002-10-01	3356566744.3103900
2003-01-01	3474995843.6997500
2003-04-01	3798421319.3282500
2003-07-01	4598308935.4890900
2003-10-01	4834572904.0846600
2004-01-01	5444402519.3611790
2004-04-01	5483870278.5848300
2004-07-01	5940988840.0305800
2004-10-01	6280110357.8556600
2005-01-01	6507738737.3009600
2005-04-01	6442317573.4546500
2005-07-01	7181640769.3221800
2005-10-01	7236062536.1052290
2006-01-01	7841689766.2999200
2006-04-01	8344459816.2550500
2006-07-01	8877205454.7841700
2006-10-01	9362123253.0099200
2007-01-01	9535741632.7396600
2007-04-01	10457046466.8687000
2007-07-01	11447213587.0397990
2007-10-01	12699659229.7843000
2008-01-01	11957193627.0019990
2008-04-01	12505837085.0504000
2008-07-01	11942094038.4123000
2008-10-01	9640145765.1863290
2009-01-01	8187565422.5781000
2009-04-01	9007096512.0729100
2009-07-01	10630909214.2657990
2009-10-01	11814935322.0273000
2010-01-01	10955294396.7264000
2010-04-01	10563216652.0437010
2010-07-01	11340317211.6703010
2010-10-01	12766955775.3179000
2011-01-01	12775354991.5124000
2011-04-01	13591283217.5457000
2011-07-01	13776534500.0633010
2011-10-01	13451719300.9061000
2012-01-01	13738340412.3659000
2012-04-01	13539083891.9106000
2012-07-01	14047631510.8526000
2012-10-01	16305604204.7566010
2013-01-01	16315551920.5455000
2013-04-01	16330347267.1167000
2013-07-01	17086097239.2113000
2013-10-01	19571453818.5731000
2014-01-01	18652401751.8248980
2014-04-01	19644638456.4189000
2014-07-01	20259902281.0981000
2014-10-01	22008580022.6471000
2015-01-01	19034961168.9820980
2015-04-01	18507496789.1698000
2015-07-01	18515320625.0476000
2015-10-01	19765862377.5605000
2016-01-01	17870000217.5364000
2016-04-01	18793565458.4483030
2016-07-01	18764505884.9333000
2016-10-01	19191516392.2268000
2017-01-01	17710624544.3269000
2017-04-01	18496048746.6584000
2017-07-01	20329257780.7064000
2017-10-01	22227998987.0630000
2018-01-01	22154205690.0343000
2018-04-01	21528691158.9484020