Quarter	Billions of US Dollars
1994-10-01	138.163
1995-01-01	107.967
1995-04-01	124.997
1995-07-01	129.581
1995-10-01	112.778
1996-01-01	117.621
1996-04-01	118.556
1996-07-01	120.774
1996-10-01	117.520
1997-01-01	121.706
1997-04-01	124.627
1997-07-01	125.536
1997-10-01	122.323
1998-01-01	121.032
1998-04-01	121.199
1998-07-01	112.847
1998-10-01	110.638
1999-01-01	113.819
1999-04-01	117.960
1999-07-01	113.235
1999-10-01	112.072
2000-01-01	115.230
2000-04-01	116.289
2000-07-01	121.318
2000-10-01	121.460
2001-01-01	121.303
2001-04-01	121.648
2001-07-01	118.028
2001-10-01	122.463
2002-01-01	118.623
2002-04-01	113.092
2002-07-01	112.601
2002-10-01	113.504
2003-01-01	110.772
2003-04-01	113.380
2003-07-01	109.598
2003-10-01	109.034
2004-01-01	109.044
2004-04-01	105.768
2004-07-01	107.829
2004-10-01	110.098
2005-01-01	111.531
2005-04-01	115.961
2005-07-01	113.214
2005-10-01	117.045
2006-01-01	115.123
2006-04-01	117.874
2006-07-01	122.730
2006-10-01	133.984
2007-01-01	136.831
2007-04-01	141.934
2007-07-01	149.813
2007-10-01	154.834
2008-01-01	159.199
2008-04-01	167.718
2008-07-01	169.642
2008-10-01	149.138
2009-01-01	148.594
2009-04-01	152.803
2009-07-01	148.556
2009-10-01	155.120
2010-01-01	165.360
2010-04-01	167.279
2010-07-01	172.962
2010-10-01	178.990
2011-01-01	191.416
2011-04-01	195.598
2011-07-01	186.920
2011-10-01	192.695
2012-01-01	205.580
2012-04-01	204.305
2012-07-01	217.477
2012-10-01	220.233
2013-01-01	229.163
2013-04-01	230.038
2013-07-01	238.959
2013-10-01	256.231
2014-01-01	257.292
2014-04-01	269.912
2014-07-01	266.404
2014-10-01	261.621
2015-01-01	254.538
2015-04-01	261.184
2015-07-01	261.690
2015-10-01	263.858
2016-01-01	274.908
2016-04-01	268.566
2016-07-01	267.017
2016-10-01	263.346
2017-01-01	279.012
2017-04-01	291.030
2017-07-01	300.210
2017-10-01	296.888
2018-01-01	311.224