Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	5534400000.000000
1990-04-01	6416800000.000000
1990-07-01	8908100000.000000
1990-10-01	7071100000.000000
1991-01-01	6126700000.000000
1991-04-01	6582700000.000000
1991-07-01	8987000000.000000
1991-10-01	7464500000.000000
1992-01-01	6632600000.000000
1992-04-01	7863000000.000000
1992-07-01	11526200000.000000
1992-10-01	7893200000.000000
1993-01-01	6408500000.000000
1993-04-01	7400300000.000000
1993-07-01	9538900000.000000
1993-10-01	7103200000.000000
1994-01-01	6262100000.000000
1994-04-01	8068700000.000000
1994-07-01	10881800000.000000
1994-10-01	8646200000.000000
1995-01-01	7522100000.000000
1995-04-01	10615800000.000000
1995-07-01	12813800000.000000
1995-10-01	9513600000.000000
1996-01-01	9164400000.000000
1996-04-01	10921800000.000000
1996-07-01	14102600000.000000
1996-10-01	10271400000.000000
1997-01-01	8743900000.000000
1997-04-01	10977700000.000000
1997-07-01	13663500000.000000
1997-10-01	10284400000.000000
1998-01-01	9186000000.000000
1998-04-01	11885100000.000000
1998-07-01	15292800000.000000
1998-10-01	12097000000.000000
1999-01-01	10877700000.000000
1999-04-01	13040900000.000000
1999-07-01	16124300000.000000
1999-10-01	12290900000.000000
2000-01-01	10970600000.000000
2000-04-01	13366400000.000000
2000-07-01	15927600000.000000
2000-10-01	12193000000.000000
2001-01-01	11761900000.000000
2001-04-01	13583700000.000000
2001-07-01	17158500000.000000
2001-10-01	13192700000.000000
2002-01-01	11550800000.000000
2002-04-01	14430800000.000000
2002-07-01	19041800000.000000
2002-10-01	15304000000.000000
2003-01-01	14742100000.000000
2003-04-01	18776400000.000000
2003-07-01	22460000000.000000
2003-10-01	18412500000.000000
2004-01-01	18004200000.000000
2004-04-01	20234700000.000000
2004-07-01	25774800000.000000
2004-10-01	22130800000.000000
2005-01-01	20862700000.000000
2005-04-01	23491000000.000000
2005-07-01	28437500000.000000
2005-10-01	21815900000.000000
2006-01-01	21296400000.000000
2006-04-01	26050200000.000000
2006-07-01	32088000000.000000
2006-10-01	27287000000.000000
2007-01-01	25356300000.000000
2007-04-01	29900600000.000000
2007-07-01	39408800000.000000
2007-10-01	33507100000.000000
2008-01-01	31541400000.000000
2008-04-01	37707300000.000000
2008-07-01	43787600000.000000
2008-10-01	30546000000.000000
2009-01-01	25750800000.000000
2009-04-01	29688300000.000000
2009-07-01	37496600000.000000
2009-10-01	30933300000.000000
2010-01-01	27938000000.000000
2010-04-01	29212500000.000000
2010-07-01	36159500000.000000
2010-10-01	31205000000.000000
2011-01-01	28959900000.000000
2011-04-01	36149700000.000000
2011-07-01	43537300000.000000
2011-10-01	33522600000.000000
2012-01-01	29124300000.000000
2012-04-01	33219199999.999996
2012-07-01	40926200000.000000
2012-10-01	33265199999.999996
2013-01-01	29815000000.000000
2013-04-01	34919300000.000000
2013-07-01	43456900000.000000
2013-10-01	36976300000.000000
2014-01-01	33200199999.999996
2014-04-01	39023900000.000000