Quarter	Billions of US Dollars
1993-07-01	4.5732
1993-10-01	3.7534
1994-01-01	3.8399
1994-04-01	2.7071
1994-07-01	2.6388
1994-10-01	3.0066
1995-01-01	5.2688
1995-04-01	6.9678
1995-07-01	7.0242
1995-10-01	6.6559
1996-01-01	7.7714
1996-04-01	8.2658
1996-07-01	7.1829
1996-10-01	10.2241
1997-01-01	11.5672
1997-04-01	15.4967
1997-07-01	14.7869
1997-10-01	14.8838
1998-01-01	14.9627
1998-04-01	14.2358
1998-07-01	16.0078
1998-10-01	16.3850
1999-01-01	18.1250
1999-04-01	18.1558
1999-07-01	20.4853
1999-10-01	19.8661
2000-01-01	19.6996
2000-04-01	22.3556
2000-07-01	21.6184
2000-10-01	28.1315
2001-01-01	27.0772
2001-04-01	26.7529
2001-07-01	22.6103
2001-10-01	20.8413
2002-01-01	17.7350
2002-04-01	21.8838
2002-07-01	20.5278
2002-10-01	24.2294
2003-01-01	25.8622
2003-04-01	25.0378
2003-07-01	23.4735
2003-10-01	23.6664
2004-01-01	30.1172
2004-04-01	36.8616
2004-07-01	42.6940
2004-10-01	54.5392
2005-01-01	58.0586
2005-04-01	59.1508
2005-07-01	67.9300
2005-10-01	71.3271
2006-01-01	73.6889
2006-04-01	74.3982
2006-07-01	68.7060
2006-10-01	77.0439
2007-01-01	80.1800
2007-04-01	68.6800
2007-07-01	85.6572
2007-10-01	78.2637
2008-01-01	92.4259
2008-04-01	99.2367
2008-07-01	82.0991
2008-10-01	59.6966
2009-01-01	60.8174
2009-04-01	70.5829
2009-07-01	70.2423
2009-10-01	67.9754
2010-01-01	63.8965
2010-04-01	62.8940
2010-07-01	57.8560
2010-10-01	52.1224
2011-01-01	62.1113
2011-04-01	63.1681
2011-07-01	72.0291
2011-10-01	60.1691
2012-01-01	67.6567
2012-04-01	62.1440
2012-07-01	73.5950
2012-10-01	78.0677
2013-01-01	62.7104
2013-04-01	63.9830
2013-07-01	49.6664
2013-10-01	52.7935
2014-01-01	64.8266
2014-04-01	71.7063
2014-07-01	77.5691
2014-10-01	72.7786
2015-01-01	64.0574
2015-04-01	64.0363