Quarter	Billions of US Dollars
1993-07-01	14.0075
1993-10-01	12.4151
1994-01-01	15.0859
1994-04-01	11.4172
1994-07-01	10.2851
1994-10-01	9.9490
1995-01-01	10.3205
1995-04-01	9.4836
1995-07-01	10.8093
1995-10-01	10.1482
1996-01-01	10.2974
1996-04-01	9.4134
1996-07-01	9.2672
1996-10-01	9.6947
1997-01-01	9.6509
1997-04-01	9.8194
1997-07-01	8.8809
1997-10-01	7.3493
1998-01-01	10.3814
1998-04-01	5.8158
1998-07-01	7.4350
1998-10-01	6.5925
1999-01-01	8.6476
1999-04-01	6.1798
1999-07-01	8.4583
1999-10-01	8.1888
2000-01-01	11.6381
2000-04-01	8.3617
2000-07-01	10.4341
2000-10-01	10.8023
2001-01-01	10.2146
2001-04-01	9.8507
2001-07-01	10.0032
2001-10-01	7.0069
2002-01-01	10.6392
2002-04-01	9.3432
2002-07-01	11.8644
2002-10-01	12.7797
2003-01-01	14.3556
2003-04-01	15.0617
2003-07-01	17.3827
2003-10-01	20.1661
2004-01-01	21.2868
2004-04-01	16.5064
2004-07-01	21.4420
2004-10-01	23.3895
2005-01-01	20.2331
2005-04-01	27.0934
2005-07-01	22.4851
2005-10-01	25.8866
2006-01-01	28.4645
2006-04-01	31.7512
2006-07-01	34.4572
2006-10-01	34.8117
2007-01-01	33.6752
2007-04-01	42.4938
2007-07-01	41.4366
2007-10-01	39.8752
2008-01-01	58.7574
2008-04-01	45.7203
2008-07-01	39.2518
2008-10-01	15.8989
2009-01-01	21.5801
2009-04-01	23.1499
2009-07-01	23.8206
2009-10-01	22.6640
2010-01-01	17.9979
2010-04-01	21.3765
2010-07-01	17.5432
2010-10-01	25.5035
2011-01-01	21.6470
2011-04-01	27.6314
2011-07-01	25.1626
2011-10-01	23.4854
2012-01-01	20.8822
2012-04-01	24.9348
2012-07-01	15.2972
2012-10-01	28.4882
2013-01-01	15.7409
2013-04-01	19.0435
2013-07-01	22.2946
2013-10-01	19.7820
2014-01-01	19.0249
2014-04-01	18.2818
2014-07-01	14.0917
2014-10-01	10.2242
2015-01-01	14.2482
2015-04-01	8.4480