Quarterly Billions of US Dollars
1987-01-01 0.1530
1987-04-01 0.1490
1987-07-01 0.2000
1987-10-01 0.2270
1988-01-01 0.3360
1988-04-01 0.4670
1988-07-01 0.4740
1988-10-01 0.4570
1989-01-01 0.6130
1989-04-01 0.6120
1989-07-01 0.5570
1989-10-01 0.5250
1990-01-01 0.4270
1990-04-01 0.3730
1990-07-01 0.5360
1990-10-01 0.4100
1991-01-01 0.5700
1991-04-01 0.3160
1991-07-01 0.3140
1991-10-01 0.3160
1992-01-01 0.4660
1992-04-01 0.4910
1992-07-01 0.5360
1992-10-01 0.6010
1993-01-01 0.5040
1993-04-01 0.5690
1993-07-01 0.3123
1993-10-01 0.4002
1994-01-01 0.3786
1994-04-01 0.3576
1994-07-01 0.3248
1994-10-01 0.2342
1995-01-01 0.2931
1995-04-01 0.2807
1995-07-01 0.4434
1995-10-01 0.2610
1996-01-01 0.2662
1996-04-01 0.4390
1996-07-01 0.8814
1996-10-01 1.1538
1997-01-01 1.8993
1997-04-01 2.5508
1997-07-01 2.5007
1997-10-01 2.4133
1998-01-01 2.4834
1998-04-01 2.3547
1998-07-01 2.7201
1998-10-01 3.0943
1999-01-01 5.2795
1999-04-01 3.1470
1999-07-01 5.0936
1999-10-01 4.9516
2000-01-01 2.9475
2000-04-01 2.6997
2000-07-01 3.0976
2000-10-01 3.0815
2001-01-01 3.0552
2001-04-01 3.1767
2001-07-01 2.9724
2001-10-01 2.8606
2002-01-01 3.0761
2002-04-01 3.1590
2002-07-01 3.2732
2002-10-01 2.3822
2003-01-01 2.1541
2003-04-01 1.3603
2003-07-01 1.1484
2003-10-01 1.2359
2004-01-01 1.2038
2004-04-01 1.1549
2004-07-01 1.5218
2004-10-01 1.3911
2005-01-01 1.6095
2005-04-01 1.5171
2005-07-01 0.7489
2005-10-01 1.0501
2006-01-01 1.6016
2006-04-01 1.8845
2006-07-01 2.1932
2006-10-01 1.8284
2007-01-01 1.4905
2007-04-01 1.4938
2007-07-01 1.3690
2007-10-01 1.5251
2008-01-01 2.0454
2008-04-01 2.5135
2008-07-01 2.4634
2008-10-01 2.7205
2009-01-01 2.9257
2009-04-01 2.6674
2009-07-01 2.1976
2009-10-01 2.2122
2010-01-01 3.6291
2010-04-01 2.4641
2010-07-01 3.7337
2010-10-01 4.7262
2011-01-01 6.0647
2011-04-01 9.3297
2011-07-01 9.9771
2011-10-01 11.2925
2012-01-01 16.4527
2012-04-01 18.0363
2012-07-01 20.7587
2012-10-01 19.7950
2013-01-01 24.2707
2013-04-01 29.7365
2013-07-01 31.7158
2013-10-01 37.4713
2014-01-01 40.8972
2014-04-01 47.2601
2014-07-01 50.4143
2014-10-01 49.0469
2015-01-01 52.7104
2015-04-01 47.2848