Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	2151000000
1990-04-01	2011000000
1990-07-01	2185000000
1990-10-01	2805000000
1991-01-01	2612000000
1991-04-01	2144000000
1991-07-01	2149000000
1991-10-01	2782000000
1992-01-01	2737000000
1992-04-01	2528000000
1992-07-01	2431000000
1992-10-01	2400000000
1993-01-01	1979000000
1993-04-01	1980000000
1993-07-01	1730000000
1993-10-01	2430000000
1994-01-01	1751000000
1994-04-01	1629000000
1994-07-01	1882000000
1994-10-01	2386000000
1995-01-01	2711000000
1995-04-01	2939000000
1995-07-01	3414000000
1995-10-01	3799000000
1996-01-01	3091000000
1996-04-01	3675000000
1996-07-01	3328000000
1996-10-01	4087000000
1997-01-01	4489000000
1997-04-01	4890000000
1997-07-01	4776000000
1997-10-01	5482000000
1998-01-01	4741000000
1998-04-01	5043000000
1998-07-01	4943000000
1998-10-01	6022000000
1999-01-01	5955600000
1999-04-01	5960700000
1999-07-01	6221000000
1999-10-01	7451200000
2000-01-01	6643000000
2000-04-01	7024300000
2000-07-01	7039400000
2000-10-01	8016400000
2001-01-01	7666500000
2001-04-01	7745400000
2001-07-01	7451700000
2001-10-01	8205500000
2002-01-01	7885500000
2002-04-01	8805800000
2002-07-01	8701100000
2002-10-01	9386200000
2003-01-01	9595900000
2003-04-01	10476800000
2003-07-01	10685500000
2003-10-01	12482500000
2004-01-01	12834900000
2004-04-01	13567400000
2004-07-01	13463600000
2004-10-01	15630400000
2005-01-01	14637100000
2005-04-01	15799400000
2005-07-01	15183500000
2005-10-01	16083900000
2006-01-01	16250400000
2006-04-01	17916500000
2006-07-01	18259600000
2006-10-01	21029200000
2007-01-01	21163300000
2007-04-01	22616500000
2007-07-01	23407900000
2007-10-01	25878700000
2008-01-01	27628200000
2008-04-01	29639300000
2008-07-01	27113100000
2008-10-01	21723700000
2009-01-01	17454400000
2009-04-01	18990600000
2009-07-01	20608200000
2009-10-01	23170000000
2010-01-01	21005600000
2010-04-01	20923400000
2010-07-01	21999500000
2010-10-01	24871800000
2011-01-01	25554400000
2011-04-01	26701400000
2011-07-01	26038000000
2011-10-01	25422000000
2012-01-01	24451800000
2012-04-01	24551300000
2012-07-01	23736200000
2012-10-01	24573700000
2013-01-01	24891700000
2013-04-01	25410500000
2013-07-01	25962400000
2013-10-01	27167800000