Quarter	Billions of US Dollars
1999-01-01	727.108
1999-04-01	702.949
1999-07-01	714.322
1999-10-01	719.501
2000-01-01	691.055
2000-04-01	666.702
2000-07-01	639.186
2000-10-01	661.084
2001-01-01	603.641
2001-04-01	584.352
2001-07-01	609.156
2001-10-01	600.721
2002-01-01	580.754
2002-04-01	647.722
2002-07-01	680.962
2002-10-01	714.645
2003-01-01	702.276
2003-04-01	751.172
2003-07-01	769.285
2003-10-01	848.557
2004-01-01	882.181
2004-04-01	903.612
2004-07-01	924.455
2004-10-01	1048.325
2005-01-01	1010.331
2005-04-01	1020.735
2005-07-01	1022.389
2005-10-01	1038.268
2006-01-01	1037.123
2006-04-01	1120.013
2006-07-01	1170.760
2006-10-01	1240.922
2007-01-01	1217.429
2007-04-01	1254.885
2007-07-01	1320.655
2007-10-01	1371.993
2008-01-01	1358.601
2008-04-01	1379.570
2008-07-01	1355.066
2008-10-01	1253.429
2009-01-01	1266.812
2009-04-01	1538.318
2009-07-01	1610.337
2009-10-01	1687.929
2010-01-01	1726.237
2010-04-01	1809.778
2010-07-01	2043.328
2010-10-01	1998.415
2011-01-01	2072.556
2011-04-01	2188.953
2011-07-01	2282.727
2011-10-01	2417.158
2012-01-01	2487.663
2012-04-01	2484.092
2012-07-01	2619.214
2012-10-01	2658.739
2013-01-01	2540.206
2013-04-01	2498.570
2013-07-01	2650.782
2013-10-01	2718.672
2014-01-01	2807.035
2014-04-01	2940.049
2014-07-01	2883.142
2014-10-01	3000.251
2015-01-01	2894.734
2015-04-01	3041.986
2015-07-01	2990.576
2015-10-01	2907.694
2016-01-01	2911.420
2016-04-01	2938.145
2016-07-01	2942.561
2016-10-01	2761.214
2017-01-01	2815.154
2017-04-01	2885.655
2017-07-01	2959.570
2017-10-01	3098.229
2018-01-01	3172.306