Quarterly Billions of US Dollars
1987-01-01 4.781
1987-04-01 5.098
1987-07-01 6.449
1987-10-01 7.211
1988-01-01 8.359
1988-04-01 9.129
1988-07-01 9.948
1988-10-01 11.300
1989-01-01 11.790
1989-04-01 12.718
1989-07-01 14.272
1989-10-01 16.797
1990-01-01 18.429
1990-04-01 20.022
1990-07-01 23.168
1990-10-01 26.177
1991-01-01 26.353
1991-04-01 27.155
1991-07-01 28.397
1991-10-01 29.760
1992-01-01 29.483
1992-04-01 31.527
1992-07-01 33.951
1992-10-01 32.214
1993-01-01 31.889
1993-04-01 32.016
1993-07-01 51.269
1993-10-01 50.457
1994-01-01 51.454
1994-04-01 57.234
1994-07-01 62.001
1994-10-01 63.381
1995-01-01 68.764
1995-04-01 74.726
1995-07-01 70.056
1995-10-01 72.524
1996-01-01 75.399
1996-04-01 78.081
1996-07-01 82.985
1996-10-01 86.808
1997-01-01 86.910
1997-04-01 94.832
1997-07-01 101.115
1997-10-01 95.982
1998-01-01 97.891
1998-04-01 99.021
1998-07-01 101.540
1998-10-01 111.784
1999-01-01 110.326
1999-04-01 111.928
1999-07-01 128.976
1999-10-01 131.351
2000-01-01 125.006
2000-04-01 127.094
2000-07-01 120.314
2000-10-01 115.583
2001-01-01 110.185
2001-04-01 111.344
2001-07-01 113.860
2001-10-01 106.758
2002-01-01 103.430
2002-04-01 110.384
2002-07-01 110.464
2002-10-01 114.041
2003-01-01 115.593
2003-04-01 114.064
2003-07-01 119.539
2003-10-01 127.037
2004-01-01 133.163
2004-04-01 133.071
2004-07-01 129.256
2004-10-01 133.528
2005-01-01 133.417
2005-04-01 127.889
2005-07-01 126.081
2005-10-01 118.736
2006-01-01 124.774
2006-04-01 133.244
2006-07-01 133.658
2006-10-01 141.071
2007-01-01 149.942
2007-04-01 152.165
2007-07-01 159.574
2007-10-01 168.221
2008-01-01 180.670
2008-04-01 181.735
2008-07-01 179.384
2008-10-01 188.237
2009-01-01 182.287
2009-04-01 186.146
2009-07-01 194.316
2009-10-01 189.783
2010-01-01 181.753
2010-04-01 174.264
2010-07-01 184.855
2010-10-01 184.413
2011-01-01 182.974
2011-04-01 179.336
2011-07-01 178.689
2011-10-01 174.011
2012-01-01 166.605
2012-04-01 165.642
2012-07-01 172.886
2012-10-01 161.971
2013-01-01 159.121
2013-04-01 154.689
2013-07-01 156.500
2013-10-01 157.219
2014-01-01 162.092
2014-04-01 157.938
2014-07-01 154.845
2014-10-01 155.971
2015-01-01 154.706
2015-04-01 153.969