Quarter	Billions of US Dollars
1995-01-01	342.366
1995-04-01	373.835
1995-07-01	377.249
1995-10-01	388.510
1996-01-01	392.684
1996-04-01	383.652
1996-07-01	392.089
1996-10-01	406.370
1997-01-01	372.722
1997-04-01	369.125
1997-07-01	369.088
1997-10-01	366.180
1998-01-01	365.072
1998-04-01	379.404
1998-07-01	413.572
1998-10-01	404.172
1999-01-01	376.894
1999-04-01	365.482
1999-07-01	375.579
1999-10-01	363.897
2000-01-01	346.478
2000-04-01	349.492
2000-07-01	323.517
2000-10-01	348.523
2001-01-01	329.297
2001-04-01	319.825
2001-07-01	345.399
2001-10-01	333.907
2002-01-01	330.631
2002-04-01	382.235
2002-07-01	375.795
2002-10-01	402.837
2003-01-01	416.141
2003-04-01	444.674
2003-07-01	446.037
2003-10-01	483.424
2004-01-01	475.226
2004-04-01	474.462
2004-07-01	479.814
2004-10-01	531.038
2005-01-01	511.696
2005-04-01	475.256
2005-07-01	470.206
2005-10-01	464.172
2006-01-01	476.864
2006-04-01	496.147
2006-07-01	499.535
2006-10-01	516.440
2007-01-01	531.008
2007-04-01	540.192
2007-07-01	554.799
2007-10-01	566.262
2008-01-01	601.312
2008-04-01	615.760
2008-07-01	577.406
2008-10-01	613.251
2009-01-01	630.437
2009-04-01	722.506
2009-07-01	781.489
2009-10-01	820.421
2010-01-01	791.011
2010-04-01	747.370
2010-07-01	846.924
2010-10-01	868.625
2011-01-01	983.111
2011-04-01	1028.821
2011-07-01	965.293
2011-10-01	963.026
2012-01-01	1045.614
2012-04-01	1022.893
2012-07-01	1066.815
2012-10-01	1176.279
2013-01-01	1218.705
2013-04-01	1263.657
2013-07-01	1318.828
2013-10-01	1350.200
2014-01-01	1389.133
2014-04-01	1394.887
2014-07-01	1294.619
2014-10-01	1264.566
2015-01-01	1132.725
2015-04-01	1184.179
2015-07-01	1196.897
2015-10-01	1169.226
2016-01-01	1248.885
2016-04-01	1229.110
2016-07-01	1237.092
2016-10-01	1167.092
2017-01-01	1204.055
2017-04-01	1295.376
2017-07-01	1338.106
2017-10-01	1372.390
2018-01-01	1427.394