Quarter	US Dollars, sum over component sub-periods
2003-04-01	21391109535.164303
2003-07-01	21259158520.354202
2003-10-01	23130510135.983700
2004-01-01	18941020108.115100
2004-04-01	23149164052.918400
2004-07-01	23543873452.074200
2004-10-01	28383559828.996600
2005-01-01	22066816874.226902
2005-04-01	26374614062.685900
2005-07-01	25240010019.130802
2005-10-01	25355952861.148500
2006-01-01	21452476651.663300
2006-04-01	26594430675.122902
2006-07-01	27108296169.103302
2006-10-01	29772274290.813198
2007-01-01	24721079126.262400
2007-04-01	30090464636.712200
2007-07-01	31129931544.289497
2007-10-01	36267351803.176704
2008-01-01	32268391973.232400
2008-04-01	38885874143.797900
2008-07-01	36633018251.935400
2008-10-01	32568982927.124100
2009-01-01	28235586334.147503
2009-04-01	32888022492.676296
2009-07-01	33958259519.196697
2009-10-01	35700272009.165400
2010-01-01	32017633162.998000
2010-04-01	32504159985.477900
2010-07-01	34364715096.925800
2010-10-01	35574010622.507600
2011-01-01	35003707030.468800
2011-04-01	38876855976.821700
2011-07-01	40314401255.079300
2011-10-01	36990880749.837400
2012-01-01	33952427765.955696
2012-04-01	35966157029.401200
2012-07-01	37325205122.546800
2012-10-01	37117182446.357700
2013-01-01	34793755648.432200
2013-04-01	36141210806.375600
2013-07-01	40134247635.542595
2013-10-01	39624741885.131000
2014-01-01	38420384328.483400
2014-04-01	41076025754.713600
2014-07-01	43089378988.538300
2014-10-01	39046312600.033905
2015-01-01	33571507007.001300
2015-04-01	70841251529.883100
2015-07-01	39713167138.311300
2015-10-01	39474822532.697600
2016-01-01	35343232205.252200
2016-04-01	38656499810.073906
2016-07-01	39287626260.509800
2016-10-01	37000588478.618600
2017-01-01	35021665176.487200
2017-04-01	38350322026.681300
2017-07-01	42984006947.732000
2017-10-01	43220782053.300200
2018-01-01	40670933631.982200
2018-04-01	42675004745.716000