Quarter	Billions of US Dollars
1999-01-01	51047.095
1999-04-01	50690.616
1999-07-01	53747.499
1999-10-01	54148.147
2000-01-01	53889.557
2000-04-01	53845.228
2000-07-01	52612.056
2000-10-01	53480.597
2001-01-01	51899.093
2001-04-01	51818.584
2001-07-01	54145.265
2001-10-01	52957.822
2002-01-01	52997.810
2002-04-01	57752.317
2002-07-01	58034.010
2002-10-01	60356.923
2003-01-01	61760.649
2003-04-01	64018.791
2003-07-01	66046.252
2003-10-01	69543.849
2004-01-01	71401.857
2004-04-01	71103.644
2004-07-01	72468.520
2004-10-01	77841.055
2005-01-01	76845.179
2005-04-01	75777.270
2005-07-01	76203.106
2005-10-01	76063.721
2006-01-01	77755.120
2006-04-01	80883.240
2006-07-01	81769.737
2006-10-01	84155.168
2007-01-01	85774.344
2007-04-01	87171.957
2007-07-01	91635.649
2007-10-01	95176.871
2008-01-01	101258.984
2008-04-01	100770.007
2008-07-01	97678.775
2008-10-01	99234.708
2009-01-01	96880.908
2009-04-01	101439.067
2009-07-01	105306.589
2009-10-01	104735.315
2010-01-01	103054.201
2010-04-01	101921.885
2010-07-01	108858.426
2010-10-01	109350.311
2011-01-01	112014.191
2011-04-01	114682.714
2011-07-01	114179.523
2011-10-01	114050.266
2012-01-01	115762.085
2012-04-01	115198.015
2012-07-01	118522.900
2012-10-01	117873.498
2013-01-01	115102.979
2013-04-01	114198.627
2013-07-01	116649.983
2013-10-01	116787.250
2014-01-01	118390.140
2014-04-01	119890.371
2014-07-01	115373.058
2014-10-01	113695.709
2015-01-01	110392.184
2015-04-01	111505.506
2015-07-01	111718.131
2015-10-01	111513.987
2016-01-01	116503.452
2016-04-01	118374.505
2016-07-01	119454.582
2016-10-01	113815.201
2017-01-01	115950.753
2017-04-01	119378.569
2017-07-01	121929.553
2017-10-01	123434.031
2018-01-01	126586.611