Quarterly Billions of US Dollars
1987-01-01 0.401
1987-04-01 0.436
1987-07-01 0.544
1987-10-01 0.374
1988-01-01 0.565
1988-04-01 0.412
1988-07-01 0.348
1988-10-01 0.617
1989-01-01 0.725
1989-04-01 0.363
1989-07-01 0.590
1989-10-01 0.404
1990-01-01 0.369
1990-04-01 0.221
1990-07-01 0.318
1990-10-01 0.401
1991-01-01 0.190
1991-04-01 0.882
1991-07-01 1.089
1991-10-01 1.525
1992-01-01 1.886
1992-04-01 2.306
1992-07-01 2.414
1992-10-01 4.242
1993-01-01 3.029
1993-04-01 4.199
1993-07-01 0.965
1993-10-01 1.179
1994-01-01 1.470
1994-04-01 2.154
1994-07-01 2.484
1994-10-01 3.452
1995-01-01 3.938
1995-04-01 4.411
1995-07-01 4.874
1995-10-01 7.831
1996-01-01 7.488
1996-04-01 6.230
1996-07-01 3.547
1996-10-01 2.960
1997-01-01 3.503
1997-04-01 4.042
1997-07-01 3.075
1997-10-01 4.430
1998-01-01 6.156
1998-04-01 4.095
1998-07-01 4.157
1998-10-01 7.015
1999-01-01 11.862
1999-04-01 15.821
1999-07-01 26.633
1999-10-01 37.939
2000-01-01 47.871
2000-04-01 59.194
2000-07-01 61.249
2000-10-01 72.955
2001-01-01 62.784
2001-04-01 53.798
2001-07-01 51.395
2001-10-01 42.000
2002-01-01 40.379
2002-04-01 44.707
2002-07-01 52.528
2002-10-01 53.552
2003-01-01 74.837
2003-04-01 71.307
2003-07-01 56.306
2003-10-01 60.305
2004-01-01 55.778
2004-04-01 57.112
2004-07-01 57.547
2004-10-01 53.638
2005-01-01 58.062
2005-04-01 55.792
2005-07-01 47.270
2005-10-01 38.514
2006-01-01 50.183
2006-04-01 54.786
2006-07-01 53.599
2006-10-01 47.735
2007-01-01 57.734
2007-04-01 73.797
2007-07-01 95.075
2007-10-01 112.764
2008-01-01 137.499
2008-04-01 145.350
2008-07-01 124.257
2008-10-01 109.806
2009-01-01 89.293
2009-04-01 85.248
2009-07-01 83.088
2009-10-01 74.860
2010-01-01 77.329
2010-04-01 73.839
2010-07-01 71.667
2010-10-01 79.791
2011-01-01 97.686
2011-04-01 105.923
2011-07-01 132.322
2011-10-01 137.858
2012-01-01 135.629
2012-04-01 139.202
2012-07-01 114.980
2012-10-01 111.639
2013-01-01 116.728
2013-04-01 123.549
2013-07-01 126.440
2013-10-01 106.881
2014-01-01 117.480
2014-04-01 118.128
2014-07-01 123.220
2014-10-01 121.797
2015-01-01 132.461
2015-04-01 127.584