Quarterly Billions of US Dollars
1993-07-01 0.127
1993-10-01 0.119
1994-01-01 0.123
1994-04-01 0.129
1994-07-01 0.132
1994-10-01 0.133
1995-01-01 0.143
1995-04-01 0.151
1995-07-01 0.149
1995-10-01 0.113
1996-01-01 0.150
1996-04-01 0.389
1996-07-01 0.604
1996-10-01 0.687
1997-01-01 0.656
1997-04-01 0.828
1997-07-01 0.850
1997-10-01 0.975
1998-01-01 0.988
1998-04-01 1.148
1998-07-01 1.481
1998-10-01 1.629
1999-01-01 2.084
1999-04-01 2.537
1999-07-01 2.812
1999-10-01 2.948
2000-01-01 2.833
2000-04-01 3.161
2000-07-01 3.255
2000-10-01 3.851
2001-01-01 4.153
2001-04-01 4.456
2001-07-01 5.141
2001-10-01 5.611
2002-01-01 6.679
2002-04-01 8.756
2002-07-01 12.616
2002-10-01 17.285
2003-01-01 18.063
2003-04-01 19.433
2003-07-01 20.756
2003-10-01 22.011
2004-01-01 21.692
2004-04-01 20.888
2004-07-01 20.864
2004-10-01 22.837
2005-01-01 21.159
2005-04-01 19.989
2005-07-01 20.004
2005-10-01 19.023
2006-01-01 20.039
2006-04-01 22.347
2006-07-01 21.828
2006-10-01 23.286
2007-01-01 23.305
2007-04-01 25.844
2007-07-01 27.940
2007-10-01 28.626
2008-01-01 32.167
2008-04-01 35.251
2008-07-01 31.852
2008-10-01 27.676
2009-01-01 34.711
2009-04-01 38.958
2009-07-01 48.018
2009-10-01 50.262
2010-01-01 52.043
2010-04-01 50.597
2010-07-01 56.638
2010-10-01 57.965
2011-01-01 65.786
2011-04-01 72.289
2011-07-01 76.075
2011-10-01 82.679
2012-01-01 93.862
2012-04-01 92.678
2012-07-01 100.401
2012-10-01 104.063
2013-01-01 99.304
2013-04-01 97.670
2013-07-01 95.883
2013-10-01 94.520
2014-01-01 96.933
2014-04-01 87.151
2014-07-01 82.485
2014-10-01 69.695
2015-01-01 63.209
2015-04-01 64.852