Quarter	Billions of US Dollars
1998-10-01	1423.809
1999-01-01	1356.372
1999-04-01	1293.594
1999-07-01	1323.100
1999-10-01	1254.196
2000-01-01	1199.236
2000-04-01	1199.624
2000-07-01	1105.924
2000-10-01	1172.110
2001-01-01	1107.180
2001-04-01	1051.549
2001-07-01	1152.201
2001-10-01	1128.647
2002-01-01	1121.570
2002-04-01	1290.933
2002-07-01	1319.110
2002-10-01	1413.694
2003-01-01	1517.898
2003-04-01	1627.884
2003-07-01	1655.965
2003-10-01	1805.578
2004-01-01	1822.073
2004-04-01	1800.198
2004-07-01	1876.263
2004-10-01	2082.656
2005-01-01	2012.816
2005-04-01	1928.788
2005-07-01	1948.827
2005-10-01	1896.524
2006-01-01	1947.337
2006-04-01	2037.095
2006-07-01	2064.658
2006-10-01	2145.491
2007-01-01	2158.488
2007-04-01	2169.110
2007-07-01	2270.496
2007-10-01	2367.870
2008-01-01	2599.728
2008-04-01	2589.477
2008-07-01	2367.909
2008-10-01	2420.928
2009-01-01	2351.445
2009-04-01	2557.731
2009-07-01	2684.639
2009-10-01	2667.836
2010-01-01	2535.734
2010-04-01	2405.873
2010-07-01	2735.686
2010-10-01	2906.629
2011-01-01	3054.100
2011-04-01	3145.387
2011-07-01	3064.945
2011-10-01	2939.607
2012-01-01	3090.342
2012-04-01	3021.268
2012-07-01	3076.877
2012-10-01	3158.055
2013-01-01	3043.545
2013-04-01	3076.565
2013-07-01	3103.302
2013-10-01	3194.637
2014-01-01	3210.907
2014-04-01	3214.499
2014-07-01	2996.530
2014-10-01	2925.685
2015-01-01	2653.714
2015-04-01	2639.861
2015-07-01	2654.294
2015-10-01	2575.579
2016-01-01	2748.204
2016-04-01	2703.317
2016-07-01	2715.102
2016-10-01	2487.498
2017-01-01	2477.373
2017-04-01	2639.219
2017-07-01	2709.241
2017-10-01	2732.144
2018-01-01	2745.468