Quarter	US Dollars, Sum Over Component Sub-periods, Seasonally Adjusted
1988-01-01	7427890000
1988-04-01	7015230000
1988-07-01	6624950000
1988-10-01	7249570000
1989-01-01	6976940000
1989-04-01	7248640000
1989-07-01	7221540000
1989-10-01	7793150000
1990-01-01	8619110000
1990-04-01	8738030000
1990-07-01	9213850000
1990-10-01	10175190000
1991-01-01	9687890000
1991-04-01	9185390000
1991-07-01	9160040000
1991-10-01	9592730000
1992-01-01	10108420000
1992-04-01	10025660000
1992-07-01	11003220000
1992-10-01	10198960000
1993-01-01	9390160000
1993-04-01	9510990000
1993-07-01	9238000000
1993-10-01	9532850000
1994-01-01	9588220000
1994-04-01	10222210000
1994-07-01	11083790000
1994-10-01	11579620000
1995-01-01	12486110000
1995-04-01	12995960000
1995-07-01	12607460000
1995-10-01	12694410000
1996-01-01	12734720000
1996-04-01	12565790000
1996-07-01	12906470000
1996-10-01	13004430000
1997-01-01	11872160000
1997-04-01	12428770000
1997-07-01	11854580000
1997-10-01	12233770000
1998-01-01	11957140000
1998-04-01	11248740000
1998-07-01	12475690000
1998-10-01	12530890000
1999-01-01	12399480000
1999-04-01	11982420000
1999-07-01	12329720000
1999-10-01	13096140000
2000-01-01	12635990000
2000-04-01	12508600000
2000-07-01	12951560000
2000-10-01	12671430000
2001-01-01	13308810000
2001-04-01	12420210000
2001-07-01	12639280000
2001-10-01	12587920000
2002-01-01	12518230000
2002-04-01	13969010000
2002-07-01	14375680000
2002-10-01	14757510000
2003-01-01	15783080000
2003-04-01	16061750000
2003-07-01	15971150000
2003-10-01	16914680000
2004-01-01	18231370000
2004-04-01	18089820000
2004-07-01	18467830000
2004-10-01	20061820000
2005-01-01	19996360000
2005-04-01	20985920000
2005-07-01	20926330000
2005-10-01	20803970000
2006-01-01	21843970000
2006-04-01	22481220000
2006-07-01	22746270000
2006-10-01	23684400000
2007-01-01	24305450000
2007-04-01	24195140000
2007-07-01	24823430000
2007-10-01	27515370000
2008-01-01	29456220000
2008-04-01	32249670000
2008-07-01	29891970000
2008-10-01	23577050000
2009-01-01	21310240000
2009-04-01	21579810000
2009-07-01	23382570000
2009-10-01	24788340000
2010-01-01	23757940000
2010-04-01	22421970000
2010-07-01	23699370000
2010-10-01	25051200000
2011-01-01	27641000000
2011-04-01	28468180000
2011-07-01	27949650000
2011-10-01	26770890000
2012-01-01	26969870000
2012-04-01	26400600000
2012-07-01	25346750000
2012-10-01	26407020000
2013-01-01	26807490000
2013-04-01	26962240000
2013-07-01	27758380000
2013-10-01	28297840000
2014-01-01	28276240000
2014-04-01	27815430000