Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
1999-01-01	29561727345.570100
1999-04-01	33970176079.183804
1999-07-01	33357390973.795900
1999-10-01	39516522611.450200
2000-01-01	42055136161.566200
2000-04-01	45467731747.021600
2000-07-01	49392279741.812996
2000-10-01	51227276459.599200
2001-01-01	49904908389.433400
2001-04-01	51122648772.992800
2001-07-01	52032020973.020800
2001-10-01	51641963344.553000
2002-01-01	51989393673.868200
2002-04-01	58836969437.534096
2002-07-01	67991165956.969300
2002-10-01	70271797621.628400
2003-01-01	81237716351.078100
2003-04-01	83809084673.052200
2003-07-01	93390222630.514300
2003-10-01	98388204665.355400
2004-01-01	115538533679.453000
2004-04-01	119819957874.126000
2004-07-01	121079590855.596010
2004-10-01	127021698890.825010
2005-01-01	127588936923.532000
2005-04-01	138699237867.797000
2005-07-01	143259737954.190000
2005-10-01	155193613654.481020
2006-01-01	160545615333.219000
2006-04-01	166013190024.535000
2006-07-01	176888413660.024000
2006-10-01	178527065682.222000
2007-01-01	188258997294.544000
2007-04-01	195391055210.936980
2007-07-01	214013542568.083980
2007-10-01	222227238026.436000
2008-01-01	244263645726.063000
2008-04-01	264686796592.354000
2008-07-01	273867712732.142000
2008-10-01	207269433249.441000
2009-01-01	170371181756.726000
2009-04-01	212974276817.107000
2009-07-01	244125285402.423000
2009-10-01	256143211723.744000
2010-01-01	284724521976.365000
2010-04-01	307448194089.543000
2010-07-01	313835707090.896000
2010-10-01	333977868743.196000
2011-01-01	381531735763.874000
2011-04-01	387793500543.222000
2011-07-01	400300453967.980000
2011-10-01	409479000524.924000
2012-01-01	414894764335.311040
2012-04-01	418374064704.136000
2012-07-01	409191986179.784000
2012-10-01	419485844480.769000
2013-01-01	451924708319.772000
2013-04-01	440448148518.178000
2013-07-01	446305799471.058000
2013-10-01	450928980990.993000
2014-01-01	465641014622.543000
2014-04-01	450355172446.563050
2014-07-01	453096434957.842000
2014-10-01	439627035173.052000
2015-01-01	388898995367.352000
2015-04-01	392425640940.492000
2015-07-01	388952129013.305000
2015-10-01	396285578778.851000
2016-01-01	343121201963.383000
2016-04-01	371979831617.655000
2016-07-01	380000974310.443000
2016-10-01	405533631708.519000
2017-01-01	418566657916.995000
2017-04-01	422989833525.347000
2017-07-01	437000553937.170040
2017-10-01	461755110620.488000
2018-01-01	507204673117.618040
2018-04-01	507531341573.998000