Quarter	Billions of US Dollars
1993-07-01	68.194
1993-10-01	63.631
1994-01-01	74.144
1994-04-01	68.948
1994-07-01	71.071
1994-10-01	65.900
1995-01-01	64.433
1995-04-01	64.769
1995-07-01	66.933
1995-10-01	67.489
1996-01-01	73.222
1996-04-01	88.181
1996-07-01	74.017
1996-10-01	75.864
1997-01-01	75.251
1997-04-01	80.548
1997-07-01	88.030
1997-10-01	79.827
1998-01-01	90.321
1998-04-01	86.829
1998-07-01	98.952
1998-10-01	80.157
1999-01-01	93.482
1999-04-01	90.790
1999-07-01	90.770
1999-10-01	75.406
2000-01-01	94.037
2000-04-01	102.274
2000-07-01	111.742
2000-10-01	120.044
2001-01-01	125.177
2001-04-01	112.627
2001-07-01	99.745
2001-10-01	97.483
2002-01-01	98.672
2002-04-01	106.762
2002-07-01	105.398
2002-10-01	104.115
2003-01-01	117.755
2003-04-01	100.128
2003-07-01	103.691
2003-10-01	112.871
2004-01-01	135.550
2004-04-01	121.413
2004-07-01	136.364
2004-10-01	144.723
2005-01-01	146.341
2005-04-01	150.455
2005-07-01	144.044
2005-10-01	137.417
2006-01-01	168.114
2006-04-01	151.387
2006-07-01	168.342
2006-10-01	196.451
2007-01-01	234.838
2007-04-01	266.271
2007-07-01	257.794
2007-10-01	268.039
2008-01-01	276.463
2008-04-01	252.602
2008-07-01	259.772
2008-10-01	203.070
2009-01-01	187.405
2009-04-01	183.616
2009-07-01	209.702
2009-10-01	189.802
2010-01-01	217.050
2010-04-01	185.682
2010-07-01	220.012
2010-10-01	182.899
2011-01-01	193.103
2011-04-01	174.406
2011-07-01	183.074
2011-10-01	179.848
2012-01-01	209.579
2012-04-01	193.359
2012-07-01	168.755
2012-10-01	207.648
2013-01-01	216.703
2013-04-01	215.702
2013-07-01	210.591
2013-10-01	185.842
2014-01-01	199.860
2014-04-01	219.273
2014-07-01	216.190
2014-10-01	219.045
2015-01-01	230.421
2015-04-01	202.558
