Quarter	US Dollars, Sum Over Component Sub-periods
1988-01-01	6452300000.000000
1988-04-01	6735900000.000000
1988-07-01	5796000000.000000
1988-10-01	6937300000.000000
1989-01-01	6264400000.000000
1989-04-01	6726100000.000000
1989-07-01	6328900000.000000
1989-10-01	7269800000.000000
1990-01-01	7324300000.000000
1990-04-01	7742500000.000000
1990-07-01	7555100000.000000
1990-10-01	9145900000.000000
1991-01-01	8230600000.000000
1991-04-01	8067000000.000000
1991-07-01	7620600000.000000
1991-10-01	8589299999.999999
1992-01-01	8333000000.000000
1992-04-01	8390200000.000001
1992-07-01	8669900000.000000
1992-10-01	8483299999.999999
1993-01-01	7712900000.000000
1993-04-01	7410000000.000000
1993-07-01	6941500000.000000
1993-10-01	7799300000.000000
1994-01-01	7856700000.000000
1994-04-01	8377500000.000000
1994-07-01	8681900000.000000
1994-10-01	9957300000.000000
1995-01-01	10785700000.000000
1995-04-01	11049700000.000000
1995-07-01	10427200000.000000
1995-10-01	11864300000.000000
1996-01-01	10933900000.000000
1996-04-01	10537400000.000000
1996-07-01	10490100000.000000
1996-10-01	11533900000.000000
1997-01-01	10393400000.000000
1997-04-01	10774500000.000000
1997-07-01	10072400000.000000
1997-10-01	11335800000.000000
1998-01-01	11179500000.000000
1998-04-01	10435100000.000000
1998-07-01	10711700000.000000
1998-10-01	11984700000.000000
1999-01-01	11019100000.000000
1999-04-01	10220200000.000000
1999-07-01	10201700000.000000
1999-10-01	11573900000.000000
2000-01-01	11226500000.000000
2000-04-01	10844300000.000000
2000-07-01	10627000000.000000
2000-10-01	11275300000.000000
2001-01-01	11369800000.000000
2001-04-01	10731600000.000000
2001-07-01	10533500000.000000
2001-10-01	11359900000.000000
2002-01-01	10631600000.000000
2002-04-01	11856900000.000000
2002-07-01	12034800000.000000
2002-10-01	12822000000.000000
2003-01-01	13322200000.000000
2003-04-01	13215200000.000000
2003-07-01	12962100000.000000
2003-10-01	15246800000.000000
2004-01-01	15565000000.000000
2004-04-01	15863900000.000000
2004-07-01	16184000000.000000
2004-10-01	18038400000.000000
2005-01-01	17614900000.000000
2005-04-01	19227300000.000000
2005-07-01	18508800000.000000
2005-10-01	19844300000.000000
2006-01-01	20452100000.000000
2006-04-01	21986000000.000000
2006-07-01	21592100000.000000
2006-10-01	23707900000.000000
2007-01-01	24046200000.000000
2007-04-01	24048700000.000000
2007-07-01	24492900000.000000
2007-10-01	27890600000.000000
2008-01-01	28794400000.000000
2008-04-01	31498300000.000000
2008-07-01	29577700000.000000
2008-10-01	24317000000.000000
2009-01-01	19928700000.000000
2009-04-01	19254800000.000000
2009-07-01	20569300000.000000
2009-10-01	22389400000.000000
2010-01-01	20435100000.000000
2010-04-01	20723700000.000000
2010-07-01	20966100000.000000
2010-10-01	23264900000.000000
2011-01-01	23861000000.000000
2011-04-01	25955600000.000000
2011-07-01	25766600000.000000
2011-10-01	24927000000.000000
2012-01-01	24502900000.000000
2012-04-01	24211100000.000000
2012-07-01	23164400000.000000
2012-10-01	25007100000.000000
2013-01-01	24999700000.000000
2013-04-01	24524700000.000000
2013-07-01	25549200000.000000
2013-10-01	26007100000.000000
2014-01-01	26022100000.000000
2014-04-01	25964100000.000000