Quarter	US Dollars, Sum Over Component Sub-periods, Seasonally Adjusted
1997-01-01	1529782307.977040
1997-04-01	914641867.117790
1997-07-01	2074740510.385460
1997-10-01	337347378.563805
1998-01-01	1304266914.281650
1998-04-01	659303226.373764
1998-07-01	-669287258.566574
1998-10-01	-941280338.208954
1999-01-01	-1781411359.724620
1999-04-01	-1787022685.641820
1999-07-01	-2261954697.986580
1999-10-01	-3058640373.637790
2000-01-01	-1129430348.504300
2000-04-01	-3389988793.425480
2000-07-01	-1229026719.281870
2000-10-01	-2585937047.127690
2001-01-01	-2880516684.607100
2001-04-01	-730492529.053680
2001-07-01	144415059.578644
2001-10-01	472024840.269897
2002-01-01	1722576120.624160
2002-04-01	2929004965.973880
2002-07-01	6750172148.080140
2002-10-01	4810084369.893620
2003-01-01	6347826086.956530
2003-04-01	6332588694.104720
2003-07-01	4421597688.642070
2003-10-01	8561399333.650650
2004-01-01	8962370296.287030
2004-04-01	9562492467.156800
2004-07-01	12483697424.193000
2004-10-01	9219309987.477870
2005-01-01	13290525488.140500
2005-04-01	10543669770.953900
2005-07-01	11773170731.707300
2005-10-01	13564462416.746000
2006-01-01	12751804330.392900
2006-04-01	14769366123.423700
2006-07-01	13472405149.339300
2006-10-01	12136469171.897900
2007-01-01	16030504326.544900
2007-04-01	14408196279.320600
2007-07-01	18207607699.358400
2007-10-01	16784523982.031600
2008-01-01	15095884938.074300
2008-04-01	16450403540.744600
2008-07-01	16734979506.148200
2008-10-01	15204885736.800600
2009-01-01	13482371308.382800
2009-04-01	11738538356.786200
2009-07-01	14554427120.583600
2009-10-01	23047501845.926600
2010-01-01	18249077490.774900
2010-04-01	16688127409.038900
2010-07-01	18801533623.400700
2010-10-01	18049133601.773500
2011-01-01	20768810098.892600
2011-04-01	22674150834.772600
2011-07-01	23952558008.189400
2011-10-01	25657504715.710100
2012-01-01	28575799965.028800
2012-04-01	29084419747.809400
2012-07-01	27857768508.863400
2012-10-01	29473092230.489700