Quarter	Billions of US Dollars
1985-10-01	189.467
1986-01-01	192.444
1986-04-01	205.098
1986-07-01	185.209
1986-10-01	212.605
1987-01-01	213.230
1987-04-01	222.398
1987-07-01	236.697
1987-10-01	254.246
1988-01-01	260.332
1988-04-01	276.565
1988-07-01	287.676
1988-10-01	299.522
1989-01-01	302.127
1989-04-01	309.499
1989-07-01	320.569
1989-10-01	278.892
1990-01-01	285.479
1990-04-01	297.329
1990-07-01	316.611
1990-10-01	309.944
1991-01-01	316.607
1991-04-01	319.960
1991-07-01	336.672
1991-10-01	356.694
1992-01-01	365.268
1992-04-01	385.179
1992-07-01	398.812
1992-10-01	407.237
1993-01-01	487.675
1993-04-01	504.497
1993-07-01	523.372
1993-10-01	581.826
1994-01-01	403.484
1994-04-01	431.060
1994-07-01	461.740
1994-10-01	499.801
1995-01-01	519.479
1995-04-01	548.122
1995-07-01	575.078
1995-10-01	631.592
1996-01-01	648.003
1996-04-01	694.325
1996-07-01	715.476
1996-10-01	765.677
1997-01-01	820.211
1997-04-01	846.548
1997-07-01	880.941
1997-10-01	931.561
1998-01-01	944.689
1998-04-01	974.055
1998-07-01	1032.942
1998-10-01	1077.946
1999-01-01	1092.744
1999-04-01	1128.488
1999-07-01	1165.218
1999-10-01	1205.728
2000-01-01	1231.783
2000-04-01	1227.469
2000-07-01	1276.310
2000-10-01	1344.170
2001-01-01	1259.589
2001-04-01	1311.981
2001-07-01	1341.552
2001-10-01	1381.462
2002-01-01	1530.312
2002-04-01	1591.842
2002-07-01	1658.766
2002-10-01	1725.379
2003-01-01	1823.357
2003-04-01	1954.167
2003-07-01	2047.283
2003-10-01	2084.017
2004-01-01	2210.069
2004-04-01	2221.399
2004-07-01	2271.598
2004-10-01	2329.915
2005-01-01	2388.434
2005-04-01	2398.747
2005-07-01	2511.814
2005-10-01	2551.186
2006-01-01	2737.900
2006-04-01	2864.908
2006-07-01	2969.831
2006-10-01	3068.111
2007-01-01	3301.383
2007-04-01	3537.895
2007-07-01	3736.017
2007-10-01	3910.959
2008-01-01	4283.450
2008-04-01	4534.786
2008-07-01	4672.240
2008-10-01	4772.047
2009-01-01	5434.256
2009-04-01	5922.686
2009-07-01	6193.141
2009-10-01	6400.488
2010-01-01	6787.843
2010-04-01	7163.381
2010-07-01	7537.759
2010-10-01	7900.784
2011-01-01	8280.374
2011-04-01	8707.443
2011-07-01	9074.459
2011-10-01	9525.018
2012-01-01	9990.313
2012-04-01	10283.666
2012-07-01	10740.956
2012-10-01	11143.815
2013-01-01	11735.024
2013-04-01	12282.025
2013-07-01	12752.432
2013-10-01	13155.579
2014-01-01	13362.050
2014-04-01	13835.063
2014-07-01	14305.421
2014-10-01	14540.290
2015-01-01	15213.368
2015-04-01	15778.670
2015-07-01	15911.022
2015-10-01	16206.738
2016-01-01	16867.653
2016-04-01	16828.367
2016-07-01	17081.342
2016-10-01	16790.433
2017-01-01	17422.158
2017-04-01	18197.512
2017-07-01	19029.456
2017-10-01	19803.005
2018-01-01	21278.754