Quarter	Billions of US Dollars
1995-10-01	154.024
1996-01-01	151.158
1996-04-01	145.700
1996-07-01	147.150
1996-10-01	139.044
1997-01-01	131.132
1997-04-01	132.522
1997-07-01	135.051
1997-10-01	136.931
1998-01-01	133.625
1998-04-01	136.577
1998-07-01	152.626
1998-10-01	156.521
1999-01-01	143.704
1999-04-01	136.484
1999-07-01	140.267
1999-10-01	130.238
2000-01-01	125.925
2000-04-01	129.607
2000-07-01	122.415
2000-10-01	130.987
2001-01-01	124.184
2001-04-01	119.739
2001-07-01	133.198
2001-10-01	128.152
2002-01-01	131.272
2002-04-01	153.046
2002-07-01	155.879
2002-10-01	170.469
2003-01-01	174.754
2003-04-01	174.607
2003-07-01	180.202
2003-10-01	193.706
2004-01-01	188.649
2004-04-01	193.288
2004-07-01	195.129
2004-10-01	217.029
2005-01-01	205.645
2005-04-01	191.493
2005-07-01	189.808
2005-10-01	185.922
2006-01-01	184.301
2006-04-01	191.508
2006-07-01	184.625
2006-10-01	186.131
2007-01-01	182.276
2007-04-01	177.548
2007-07-01	181.825
2007-10-01	185.180
2008-01-01	209.847
2008-04-01	205.773
2008-07-01	190.696
2008-10-01	197.768
2009-01-01	182.613
2009-04-01	189.656
2009-07-01	195.915
2009-10-01	192.891
2010-01-01	187.087
2010-04-01	182.586
2010-07-01	202.520
2010-10-01	210.150
2011-01-01	216.227
2011-04-01	238.518
2011-07-01	222.441
2011-10-01	214.755
2012-01-01	225.673
2012-04-01	214.822
2012-07-01	221.237
2012-10-01	228.154
2013-01-01	218.093
2013-04-01	219.086
2013-07-01	227.149
2013-10-01	229.824
2014-01-01	235.167
2014-04-01	237.526
2014-07-01	224.068
2014-10-01	220.345
2015-01-01	224.421
2015-04-01	234.545
2015-07-01	224.044
2015-10-01	219.358
2016-01-01	226.538
2016-04-01	221.386
2016-07-01	221.535
2016-10-01	211.111
2017-01-01	214.373
2017-04-01	223.303
2017-07-01	219.786
2017-10-01	217.976
2018-01-01	222.775