Quarter	Billions of US Dollars
1994-01-01	0.05000
1994-04-01	0.15000
1994-07-01	0.19687
1994-10-01	0.19770
1995-01-01	0.20256
1995-04-01	0.20241
1995-07-01	0.05000
1995-10-01	0.05000
1996-01-01	0.05000
1996-04-01	0.05000
1996-07-01	0.13000
1996-10-01	0.25907
1997-01-01	0.26907
1997-04-01	0.26907
1997-07-01	0.29907
1997-10-01	0.32907
1998-01-01	0.30907
1998-04-01	0.30907
1998-07-01	0.28907
1998-10-01	0.27407
1999-01-01	0.22407
1999-04-01	0.22407
1999-07-01	0.22407
1999-10-01	0.22407
2000-01-01	0.24500
2000-04-01	0.24500
2000-07-01	0.35180
2000-10-01	0.35180
2001-01-01	0.36248
2001-04-01	0.36097
2001-07-01	0.34745
2001-10-01	0.29594
2002-01-01	0.27542
2002-04-01	0.27542
2002-07-01	0.27542
2002-10-01	0.32694
2003-01-01	0.32694
2003-04-01	0.32694
2003-07-01	0.24694
2003-10-01	0.74694
2004-01-01	0.67720
2004-04-01	0.67720
2004-07-01	0.67720
2004-10-01	0.67720
2005-01-01	0.67720
2005-04-01	0.67720
2005-07-01	0.67720
2005-10-01	0.96238
2006-01-01	0.96238
2006-04-01	0.98838
2006-07-01	0.98838
2006-10-01	1.10338
2007-01-01	1.65292
2007-04-01	1.82353
2007-07-01	3.84375
2007-10-01	3.86001
2008-01-01	3.91274
2008-04-01	3.92945
2008-07-01	3.86562
2008-10-01	3.32806
2009-01-01	3.30979
2009-04-01	3.36142
2009-07-01	1.42669
2009-10-01	1.40806
2010-01-01	1.38025
2010-04-01	1.30961
2010-07-01	1.61592
2010-10-01	1.72734
2011-01-01	1.95269
2011-04-01	1.94947
2011-07-01	1.90597
2011-10-01	1.50387
2012-01-01	1.51638
2012-04-01	1.32840
2012-07-01	1.33860
2012-10-01	1.34652
2013-01-01	1.33485
2013-04-01	1.34310
2013-07-01	1.35585
2013-10-01	1.36443
2014-01-01	1.36434
2014-04-01	1.36044
2014-07-01	1.32819
2014-10-01	1.40204
2015-01-01	1.36058
2015-04-01	1.37348