Quarter	Billions of US Dollars
1998-10-01	1062.451
1999-01-01	987.696
1999-04-01	930.800
1999-07-01	962.093
1999-10-01	897.607
2000-01-01	852.099
2000-04-01	857.513
2000-07-01	788.332
2000-10-01	853.273
2001-01-01	813.157
2001-04-01	792.920
2001-07-01	873.243
2001-10-01	835.059
2002-01-01	831.644
2002-04-01	981.311
2002-07-01	996.090
2002-10-01	1076.643
2003-01-01	1164.361
2003-04-01	1270.175
2003-07-01	1309.003
2003-10-01	1408.781
2004-01-01	1412.274
2004-04-01	1421.066
2004-07-01	1474.226
2004-10-01	1649.435
2005-01-01	1603.334
2005-04-01	1531.799
2005-07-01	1541.763
2005-10-01	1514.541
2006-01-01	1542.721
2006-04-01	1590.491
2006-07-01	1619.019
2006-10-01	1643.339
2007-01-01	1704.974
2007-04-01	1733.883
2007-07-01	1839.308
2007-10-01	1886.826
2008-01-01	2112.679
2008-04-01	2083.564
2008-07-01	1947.869
2008-10-01	1993.577
2009-01-01	1986.159
2009-04-01	2187.129
2009-07-01	2342.713
2009-10-01	2323.150
2010-01-01	2271.169
2010-04-01	2155.857
2010-07-01	2400.763
2010-10-01	2317.087
2011-01-01	2510.401
2011-04-01	2624.897
2011-07-01	2528.517
2011-10-01	2417.038
2012-01-01	2623.903
2012-04-01	2540.828
2012-07-01	2656.793
2012-10-01	2748.401
2013-01-01	2710.599
2013-04-01	2771.216
2013-07-01	2844.555
2013-10-01	2911.554
2014-01-01	3047.263
2014-04-01	3085.747
2014-07-01	2902.797
2014-10-01	2827.860
2015-01-01	2648.705
2015-04-01	2657.808
2015-07-01	2690.634
2015-10-01	2592.629
2016-01-01	2831.690
2016-04-01	2834.917
2016-07-01	2850.012
2016-10-01	2606.022
2017-01-01	2662.516
2017-04-01	2870.501
2017-07-01	2976.131
2017-10-01	2996.588
2018-01-01	3129.670