Quarter	US Dollars, sum over component sub-periods
1994-01-01	2482760000.000000
1994-04-01	882730000.000000
1994-07-01	2428410000.000000
1994-10-01	4233550000.000000
1995-01-01	2189680000.000000
1995-04-01	2634710000.000000
1995-07-01	-3058520000.000000
1995-10-01	-3848910000.000000
1996-01-01	472440000.000000
1996-04-01	-1948610000.000000
1996-07-01	-245050000.000000
1996-10-01	4649100000.000000
1997-01-01	-195950000.000000
1997-04-01	-1111050000.000000
1997-07-01	-3532770000.000000
1997-10-01	-4918070000.000000
1998-01-01	-5440260000.000000
1998-04-01	-6607130000.000000
1998-07-01	-4091700000.000000
1998-10-01	6367930000.000000
1999-01-01	2982900000.000000
1999-04-01	3115100000.000000
1999-07-01	2833460000.000000
1999-10-01	6797500000.000000
2000-01-01	9855610000.000000
2000-04-01	10471840000.000000
2000-07-01	18580270000.000000
2000-10-01	9455410000.000000
2001-01-01	8973920000.000000
2001-04-01	7287700000.000000
2001-07-01	-5591520000.000000
2001-10-01	4392360000.000000
2002-01-01	5331320000.000000
2002-04-01	5572420000.000000
2002-07-01	-642840000.000000
2002-10-01	412760000.000000
2003-01-01	9779710000.000000
2003-04-01	5759800000.000000
2003-07-01	3831500000.000000
2003-10-01	5939160000.000000
2004-01-01	9366340000.000000
2004-04-01	13089220000.000000
2004-07-01	14801730000.000000
2004-10-01	14806010000.000000
2005-01-01	18621520000.000000
2005-04-01	20445000000.000000
2005-07-01	9092010000.000000
2005-10-01	18838460000.000000
2006-01-01	28369740000.000000
2006-04-01	25447330000.000000
2006-07-01	28397490000.000000
2006-10-01	21638980000.000000
2007-01-01	17993630000.000000
2007-04-01	15514900000.000000
2007-07-01	12072440000.000000
2007-10-01	6238790000.000000
2008-01-01	33085160000.000004
2008-04-01	32764330000.000000
2008-07-01	28093050000.000000
2008-10-01	6749850000.000000
2009-01-01	2205900000.000000
2009-04-01	9672420000.000000
2009-07-01	5141490000.000000
2009-10-01	14498860000.000000
2010-01-01	25043100000.000000
2010-04-01	15065650000.000000
2010-07-01	9711290000.000000
2010-10-01	8457969999.999999
2011-01-01	27398640000.000000
2011-04-01	20249210000.000000
2011-07-01	17285580000.000000
2011-10-01	23818040000.000000
2012-01-01	28241090000.000000
2012-04-01	13734840000.000000
2012-07-01	5170540000.000000
2012-10-01	8546780000.000001
2013-01-01	18274510000.000000
2013-04-01	3717510000.000000
2013-07-01	-2497850000.000000
2013-10-01	4641350000.000000
2014-01-01	22455340000.000000
2014-04-01	16899230000.000000
2014-07-01	88060000.000000
2014-10-01	-15940440000.000000
2015-01-01	26937320000.000000
2015-04-01	16969090000.000000
2015-07-01	11623260000.000000
2015-10-01	15107780000.000000
2016-01-01	9614390000.000000
2016-04-01	2149150000.000000
2016-07-01	1314990000.000000
2016-10-01	5695370000.000000
2017-01-01	22085320000.000000
2017-04-01	5629990000.000000
2017-07-01	-4032520000.000000
2017-10-01	13157380000.000000
2018-01-01	32372890000.000000
2018-04-01	21172130000.000000