Quarter	Billions of US Dollars
2001-10-01	56244.486
2002-01-01	56448.481
2002-04-01	61069.918
2002-07-01	61365.327
2002-10-01	63772.569
2003-01-01	65282.044
2003-04-01	67887.566
2003-07-01	70063.919
2003-10-01	73475.155
2004-01-01	75724.146
2004-04-01	75362.504
2004-07-01	76866.933
2004-10-01	82426.273
2005-01-01	81734.715
2005-04-01	81027.705
2005-07-01	81717.526
2005-10-01	81898.758
2006-01-01	84094.999
2006-04-01	87242.606
2006-07-01	88445.732
2006-10-01	91148.311
2007-01-01	93267.450
2007-04-01	95349.806
2007-07-01	100271.079
2007-10-01	104275.341
2008-01-01	110604.741
2008-04-01	110813.594
2008-07-01	107775.819
2008-10-01	109129.153
2009-01-01	107555.866
2009-04-01	113342.353
2009-07-01	117964.108
2009-10-01	118256.612
2010-01-01	117595.566
2010-04-01	117293.877
2010-07-01	124982.601
2010-10-01	126406.771
2011-01-01	129894.786
2011-04-01	133528.285
2011-07-01	132997.024
2011-10-01	133942.632
2012-01-01	136751.135
2012-04-01	136607.948
2012-07-01	140964.413
2012-10-01	141397.791
2013-01-01	140064.967
2013-04-01	139877.910
2013-07-01	143256.143
2013-10-01	144443.887
2014-01-01	146706.966
2014-04-01	149846.464
2014-07-01	145947.868
2014-10-01	144533.418
2015-01-01	142010.113
2015-04-01	144096.850
2015-07-01	143789.621
2015-10-01	144318.633
2016-01-01	150924.276
2016-04-01	153241.348
2016-07-01	155186.419
2016-10-01	149249.730
2017-01-01	153261.132
2017-04-01	157628.962
2017-07-01	161923.396
2017-10-01	165175.976
2018-01-01	171153.819