Quarterly Millions of US Dollars
1997-10-01 2837582
1998-01-01 2903778
1998-04-01 2836573
1998-07-01 2982884
1998-10-01 3537923
1999-01-01 3539446
1999-04-01 3656683
1999-07-01 4237758
1999-10-01 4431152
2000-01-01 4517175
2000-04-01 4540828
2000-07-01 4413095
2000-10-01 4264069
2001-01-01 4109968
2001-04-01 4224177
2001-07-01 4335369
2001-10-01 3967409
2002-01-01 4011987
2002-04-01 4637130
2002-07-01 4533661
2002-10-01 4651517
2003-01-01 4840035
2003-04-01 4895659
2003-07-01 5259830
2003-10-01 5554845
2004-01-01 5954024
2004-04-01 5837252
2004-07-01 5779884
2004-10-01 6335081
2005-01-01 6290267
2005-04-01 6211023
2005-07-01 6014936
2005-10-01 5826993
2006-01-01 5819045
2006-04-01 5958192
2006-07-01 5864501
2006-10-01 5830118
2007-01-01 5900642
2007-04-01 5611025
2007-07-01 6054032
2007-10-01 6312995
2008-01-01 7280887
2008-04-01 6804246
2008-07-01 6830613
2008-10-01 8122615
2009-01-01 7417492
2009-04-01 7832446
2009-07-01 8459006
2009-10-01 8312587
2010-01-01 8334217
2010-04-01 9150284
2010-07-01 9869691
2010-10-01 10171084
2011-01-01 10024526
2011-04-01 10657252
2011-07-01 11432307
2011-10-01 11359734
2012-01-01 10733387
2012-04-01 11349262
2012-07-01 11775188
2012-10-01 10690616
2013-01-01 9866187
2013-04-01 9469312
2013-07-01 9722625
2013-10-01 9120011
2014-01-01 9348426
2014-04-01 9701821
2014-07-01 8988193
2014-10-01 8318486
2015-01-01 8430537
2015-04-01 8286455
2015-07-01 8456968
2015-10-01 8411926
2016-01-01 9307615
2016-04-01 10484316
2016-07-01 10543761
2016-10-01 9005819
2017-01-01 9405981
2017-04-01 9424332
2017-07-01 9432425
2017-10-01 9470916
2018-01-01 10042395