Quarter	Billions of US Dollars
2001-10-01	59705.704
2002-01-01	59949.271
2002-04-01	64933.043
2002-07-01	65253.085
2002-10-01	67908.655
2003-01-01	69516.932
2003-04-01	72290.941
2003-07-01	74604.280
2003-10-01	78293.009
2004-01-01	80532.586
2004-04-01	80249.286
2004-07-01	81933.704
2004-10-01	87975.568
2005-01-01	87176.065
2005-04-01	86316.074
2005-07-01	87108.257
2005-10-01	87302.415
2006-01-01	89641.758
2006-04-01	93108.520
2006-07-01	94452.413
2006-10-01	97535.199
2007-01-01	99864.723
2007-04-01	102233.471
2007-07-01	107622.580
2007-10-01	112084.063
2008-01-01	119124.052
2008-04-01	119502.746
2008-07-01	115944.362
2008-10-01	116936.812
2009-01-01	115093.883
2009-04-01	121487.896
2009-07-01	126696.633
2009-10-01	127034.730
2010-01-01	126351.324
2010-04-01	125733.601
2010-07-01	134441.923
2010-10-01	136035.637
2011-01-01	140069.516
2011-04-01	144179.568
2011-07-01	143109.889
2011-10-01	143903.189
2012-01-01	147368.344
2012-04-01	146903.409
2012-07-01	151798.206
2012-10-01	152522.618
2013-01-01	151141.150
2013-04-01	150947.318
2013-07-01	154686.392
2013-10-01	155987.562
2014-01-01	158410.050
2014-04-01	161654.022
2014-07-01	157259.108
2014-10-01	155429.966
2015-01-01	152583.989
2015-04-01	154967.212
2015-07-01	154348.252
2015-10-01	154881.815
2016-01-01	162008.358
2016-04-01	164289.735
2016-07-01	166402.547
2016-10-01	160081.821
2017-01-01	164463.221
2017-04-01	169378.095
2017-07-01	173941.640
2017-10-01	177410.240
2018-01-01	183792.302