Quarterly Billions of US Dollars
1987-01-01 1.513
1987-04-01 1.637
1987-07-01 1.740
1987-10-01 2.737
1988-01-01 2.981
1988-04-01 3.457
1988-07-01 3.623
1988-10-01 3.988
1989-01-01 4.313
1989-04-01 4.678
1989-07-01 5.251
1989-10-01 5.470
1990-01-01 5.745
1990-04-01 6.448
1990-07-01 7.666
1990-10-01 7.825
1991-01-01 8.603
1991-04-01 9.662
1991-07-01 10.002
1991-10-01 10.415
1992-01-01 10.400
1992-04-01 11.272
1992-07-01 12.209
1992-10-01 11.515
1993-01-01 11.813
1993-04-01 12.411
1993-07-01 18.485
1993-10-01 19.803
1994-01-01 22.976
1994-04-01 26.524
1994-07-01 28.756
1994-10-01 32.215
1995-01-01 35.926
1995-04-01 39.757
1995-07-01 42.583
1995-10-01 44.856
1996-01-01 47.486
1996-04-01 50.876
1996-07-01 50.887
1996-10-01 51.970
1997-01-01 54.254
1997-04-01 53.620
1997-07-01 58.597
1997-10-01 59.510
1998-01-01 66.147
1998-04-01 68.640
1998-07-01 73.209
1998-10-01 74.538
1999-01-01 73.976
1999-04-01 78.270
1999-07-01 83.320
1999-10-01 86.684
2000-01-01 96.749
2000-04-01 97.821
2000-07-01 100.021
2000-10-01 107.868
2001-01-01 115.504
2001-04-01 115.362
2001-07-01 121.512
2001-10-01 115.597
2002-01-01 114.898
2002-04-01 137.180
2002-07-01 130.936
2002-10-01 133.326
2003-01-01 141.531
2003-04-01 144.426
2003-07-01 142.892
2003-10-01 149.103
2004-01-01 140.795
2004-04-01 131.936
2004-07-01 131.939
2004-10-01 139.550
2005-01-01 134.965
2005-04-01 122.254
2005-07-01 121.698
2005-10-01 119.439
2006-01-01 128.102
2006-04-01 134.146
2006-07-01 137.366
2006-10-01 146.174
2007-01-01 149.200
2007-04-01 153.776
2007-07-01 152.803
2007-10-01 155.329
2008-01-01 157.538
2008-04-01 148.043
2008-07-01 127.907
2008-10-01 118.413
2009-01-01 113.638
2009-04-01 120.836
2009-07-01 120.865
2009-10-01 112.229
2010-01-01 106.466
2010-04-01 101.301
2010-07-01 107.704
2010-10-01 105.885
2011-01-01 101.339
2011-04-01 102.365
2011-07-01 97.102
2011-10-01 93.217
2012-01-01 101.498
2012-04-01 99.370
2012-07-01 103.702
2012-10-01 108.587
2013-01-01 111.165
2013-04-01 111.951
2013-07-01 112.641
2013-10-01 110.354
2014-01-01 111.579
2014-04-01 111.561
2014-07-01 108.014
2014-10-01 102.053
2015-01-01 94.798
2015-04-01 96.641