Quarter	Billions of US Dollars
1993-07-01	2.99249
1993-10-01	2.65499
1994-01-01	2.63786
1994-04-01	2.14461
1994-07-01	2.15233
1994-10-01	2.24937
1995-01-01	2.83771
1995-04-01	2.85168
1995-07-01	2.79004
1995-10-01	3.25646
1996-01-01	3.02972
1996-04-01	2.14867
1996-07-01	1.13408
1996-10-01	2.31224
1997-01-01	2.36061
1997-04-01	2.50846
1997-07-01	2.47885
1997-10-01	2.59399
1998-01-01	3.08099
1998-04-01	2.63920
1998-07-01	2.23898
1998-10-01	1.76428
1999-01-01	2.40205
1999-04-01	1.67345
1999-07-01	1.78732
1999-10-01	1.47094
2000-01-01	1.09014
2000-04-01	0.86198
2000-07-01	1.04765
2000-10-01	0.87544
2001-01-01	0.59529
2001-04-01	0.87694
2001-07-01	0.81401
2001-10-01	0.78471
2002-01-01	0.66098
2002-04-01	0.72433
2002-07-01	0.78120
2002-10-01	1.03140
2003-01-01	0.89364
2003-04-01	0.73197
2003-07-01	0.67871
2003-10-01	0.32888
2004-01-01	0.62852
2004-04-01	2.01479
2004-07-01	2.41079
2004-10-01	3.45616
2005-01-01	3.55314
2005-04-01	2.11733
2005-07-01	2.22160
2005-10-01	1.26211
2006-01-01	0.62017
2006-04-01	0.73557
2006-07-01	1.29144
2006-10-01	1.16797
2007-01-01	1.43889
2007-04-01	2.93129
2007-07-01	2.32927
2007-10-01	2.27612
2008-01-01	2.47407
2008-04-01	0.76895
2008-07-01	1.17362
2008-10-01	0.89092
2009-01-01	0.97287
2009-04-01	1.70052
2009-07-01	1.82987
2009-10-01	1.83894
2010-01-01	2.29011
2010-04-01	3.19214
2010-07-01	3.73166
2010-10-01	3.85052
2011-01-01	2.99655
2011-04-01	2.26025
2011-07-01	2.33290
2011-10-01	2.83835
2012-01-01	3.40855
2012-04-01	3.70976
2012-07-01	3.67916
2012-10-01	3.71623
2013-01-01	2.72681
2013-04-01	1.86513
2013-07-01	3.12329
2013-10-01	3.54432
2014-01-01	3.79408
2014-04-01	3.31318
2014-07-01	3.93673
2014-10-01	4.21176
2015-01-01	4.34799
2015-04-01	5.82697