Quarterly Billions of US Dollars
1987-01-01 1.187
1987-04-01 1.463
1987-07-01 1.951
1987-10-01 2.123
1988-01-01 5.406
1988-04-01 6.585
1988-07-01 7.140
1988-10-01 7.660
1989-01-01 8.044
1989-04-01 8.174
1989-07-01 9.762
1989-10-01 8.814
1990-01-01 10.423
1990-04-01 10.803
1990-07-01 13.343
1990-10-01 14.990
1991-01-01 18.072
1991-04-01 18.258
1991-07-01 18.219
1991-10-01 19.165
1992-01-01 21.401
1992-04-01 21.361
1992-07-01 21.167
1992-10-01 19.471
1993-01-01 13.954
1993-04-01 13.226
1993-07-01 6.749
1993-10-01 5.880
1994-01-01 6.502
1994-04-01 6.274
1994-07-01 7.504
1994-10-01 8.190
1995-01-01 8.425
1995-04-01 7.536
1995-07-01 10.151
1995-10-01 10.630
1996-01-01 12.199
1996-04-01 11.995
1996-07-01 13.003
1996-10-01 11.452
1997-01-01 14.219
1997-04-01 14.531
1997-07-01 16.306
1997-10-01 18.295
1998-01-01 21.236
1998-04-01 23.901
1998-07-01 24.791
1998-10-01 24.873
1999-01-01 26.810
1999-04-01 28.585
1999-07-01 37.977
1999-10-01 39.680
2000-01-01 44.653
2000-04-01 49.339
2000-07-01 51.305
2000-10-01 54.512
2001-01-01 50.753
2001-04-01 45.189
2001-07-01 42.594
2001-10-01 45.148
2002-01-01 48.545
2002-04-01 52.521
2002-07-01 66.661
2002-10-01 57.921
2003-01-01 68.016
2003-04-01 78.124
2003-07-01 81.617
2003-10-01 89.151
2004-01-01 92.740
2004-04-01 91.685
2004-07-01 102.170
2004-10-01 112.016
2005-01-01 107.939
2005-04-01 110.195
2005-07-01 126.059
2005-10-01 115.864
2006-01-01 128.405
2006-04-01 125.266
2006-07-01 141.119
2006-10-01 163.017
2007-01-01 181.609
2007-04-01 182.337
2007-07-01 181.179
2007-10-01 181.877
2008-01-01 207.864
2008-04-01 208.580
2008-07-01 184.926
2008-10-01 190.883
2009-01-01 153.333
2009-04-01 142.633
2009-07-01 156.715
2009-10-01 116.001
2010-01-01 125.063
2010-04-01 110.322
2010-07-01 123.571
2010-10-01 96.851
2011-01-01 101.703
2011-04-01 103.218
2011-07-01 94.325
2011-10-01 83.770
2012-01-01 95.322
2012-04-01 84.400
2012-07-01 81.429
2012-10-01 64.535
2013-01-01 63.987
2013-04-01 53.037
2013-07-01 59.334
2013-10-01 59.697
2014-01-01 60.417
2014-04-01 59.653
2014-07-01 60.460
2014-10-01 59.905
2015-01-01 59.275
2015-04-01 58.632