Quarter	Billions of US Dollars
1996-10-01	3894.860
1997-01-01	4020.019
1997-04-01	4175.345
1997-07-01	4138.559
1997-10-01	3746.457
1998-01-01	3918.817
1998-04-01	3912.963
1998-07-01	3960.411
1998-10-01	4101.805
1999-01-01	3955.762
1999-04-01	3977.851
1999-07-01	3931.181
1999-10-01	4064.152
2000-01-01	4117.795
2000-04-01	4112.644
2000-07-01	4184.877
2000-10-01	4179.213
2001-01-01	4053.309
2001-04-01	4124.529
2001-07-01	4158.987
2001-10-01	4239.540
2002-01-01	4408.142
2002-04-01	4608.423
2002-07-01	4639.713
2002-10-01	4848.654
2003-01-01	4964.047
2003-04-01	5274.000
2003-07-01	5463.499
2003-10-01	5577.354
2004-01-01	5828.909
2004-04-01	5883.869
2004-07-01	6078.261
2004-10-01	6508.047
2005-01-01	6639.181
2005-04-01	6806.390
2005-07-01	7096.235
2005-10-01	7374.717
2006-01-01	7857.160
2006-04-01	8199.931
2006-07-01	8550.939
2006-10-01	9074.303
2007-01-01	9575.262
2007-04-01	10267.818
2007-07-01	10963.901
2007-10-01	11603.999
2008-01-01	12406.240
2008-04-01	13057.858
2008-07-01	12925.132
2008-10-01	12543.814
2009-01-01	12997.609
2009-04-01	14199.748
2009-07-01	15055.820
2009-10-01	15615.975
2010-01-01	16358.591
2010-04-01	16789.721
2010-07-01	18060.689
2010-10-01	18933.878
2011-01-01	19954.266
2011-04-01	21019.692
2011-07-01	20836.682
2011-10-01	21640.853
2012-01-01	22918.212
2012-04-01	23139.568
2012-07-01	24351.755
2012-10-01	25442.200
2013-01-01	26608.840
2013-04-01	27353.345
2013-07-01	28442.325
2013-10-01	29312.314
2014-01-01	29929.075
2014-04-01	31248.619
2014-07-01	31442.882
2014-10-01	31311.189
2015-01-01	31806.324
2015-04-01	32774.718
2015-07-01	32264.315
2015-10-01	32901.111
2016-01-01	34418.489
2016-04-01	34587.695
2016-07-01	35305.828
2016-10-01	34705.067
2017-01-01	36244.827
2017-04-01	37293.893
2017-07-01	38788.631
2017-10-01	40231.944
2018-01-01	42785.803