Quarter	Billions of US Dollars
1993-07-01	2.4173
1993-10-01	2.3957
1994-01-01	2.4083
1994-04-01	2.4355
1994-07-01	2.4536
1994-10-01	2.4541
1995-01-01	2.4969
1995-04-01	2.4923
1995-07-01	2.7571
1995-10-01	3.1628
1996-01-01	3.2865
1996-04-01	3.4063
1996-07-01	3.5941
1996-10-01	5.3863
1997-01-01	5.3191
1997-04-01	5.7177
1997-07-01	6.0085
1997-10-01	6.4039
1998-01-01	6.7525
1998-04-01	7.1271
1998-07-01	7.5742
1998-10-01	7.5304
1999-01-01	8.1970
1999-04-01	8.3631
1999-07-01	8.5658
1999-10-01	9.0231
2000-01-01	9.2496
2000-04-01	9.8313
2000-07-01	9.9655
2000-10-01	9.8545
2001-01-01	9.7303
2001-04-01	10.9003
2001-07-01	10.8460
2001-10-01	10.6784
2002-01-01	10.7090
2002-04-01	10.8883
2002-07-01	10.5959
2002-10-01	10.6564
2003-01-01	10.7646
2003-04-01	10.8999
2003-07-01	12.6991
2003-10-01	13.1247
2004-01-01	14.7503
2004-04-01	14.9341
2004-07-01	14.9084
2004-10-01	15.4634
2005-01-01	15.1285
2005-04-01	14.3733
2005-07-01	17.6502
2005-10-01	17.7853
2006-01-01	20.2716
2006-04-01	21.3198
2006-07-01	23.5707
2006-10-01	28.5675
2007-01-01	28.0491
2007-04-01	30.7156
2007-07-01	34.6920
2007-10-01	37.5022
2008-01-01	39.4216
2008-04-01	43.2904
2008-07-01	43.4401
2008-10-01	42.0030
2009-01-01	41.6327
2009-04-01	42.5715
2009-07-01	50.5730
2009-10-01	51.0063
2010-01-01	50.6779
2010-04-01	52.0251
2010-07-01	53.6959
2010-10-01	56.1327
2011-01-01	60.1472
2011-04-01	58.9837
2011-07-01	57.3165
2011-10-01	63.4243
2012-01-01	66.6012
2012-04-01	66.8498
2012-07-01	68.1039
2012-10-01	70.0061
2013-01-01	68.9648
2013-04-01	68.6685
2013-07-01	68.4124
2013-10-01	66.7837
2014-01-01	67.5883
2014-04-01	75.3439
2014-07-01	70.4203
2014-10-01	75.2710
2015-01-01	76.5812
2015-04-01	79.0133