Quarter	Billions of US Dollars
2000-01-01	634.259
2000-04-01	610.991
2000-07-01	581.698
2000-10-01	601.063
2001-01-01	551.238
2001-04-01	548.317
2001-07-01	563.654
2001-10-01	561.357
2002-01-01	546.787
2002-04-01	604.558
2002-07-01	620.201
2002-10-01	656.107
2003-01-01	641.804
2003-04-01	687.296
2003-07-01	715.077
2003-10-01	798.416
2004-01-01	826.341
2004-04-01	860.743
2004-07-01	870.714
2004-10-01	978.920
2005-01-01	951.184
2005-04-01	940.725
2005-07-01	946.362
2005-10-01	951.267
2006-01-01	962.301
2006-04-01	1057.882
2006-07-01	1091.704
2006-10-01	1170.369
2007-01-01	1166.460
2007-04-01	1235.386
2007-07-01	1271.789
2007-10-01	1291.564
2008-01-01	1267.991
2008-04-01	1324.367
2008-07-01	1289.204
2008-10-01	1146.936
2009-01-01	1175.330
2009-04-01	1442.408
2009-07-01	1486.261
2009-10-01	1589.290
2010-01-01	1631.033
2010-04-01	1674.943
2010-07-01	1860.801
2010-10-01	1853.986
2011-01-01	1952.537
2011-04-01	2038.399
2011-07-01	2021.201
2011-10-01	2058.208
2012-01-01	2161.557
2012-04-01	2120.595
2012-07-01	2253.187
2012-10-01	2303.635
2013-01-01	2158.642
2013-04-01	2228.680
2013-07-01	2375.293
2013-10-01	2481.041
2014-01-01	2534.476
2014-04-01	2651.534
2014-07-01	2527.735
2014-10-01	2501.618
2015-01-01	2372.806
2015-04-01	2582.233
2015-07-01	2490.928
2015-10-01	2471.046
2016-01-01	2375.905
2016-04-01	2270.567
2016-07-01	2192.289
2016-10-01	2131.731
2017-01-01	2149.505
2017-04-01	2251.046
2017-07-01	2334.772
2017-10-01	2414.261
2018-01-01	2474.173