Quarterly Millions of US Dollars
1997-10-01 2839527
1998-01-01 2905717
1998-04-01 2838530
1998-07-01 2984827
1998-10-01 3539802
1999-01-01 3541359
1999-04-01 3658507
1999-07-01 4239588
1999-10-01 4432964
2000-01-01 4519011
2000-04-01 4542615
2000-07-01 4414807
2000-10-01 4265702
2001-01-01 4111655
2001-04-01 4225853
2001-07-01 4336937
2001-10-01 3968926
2002-01-01 4013494
2002-04-01 4638660
2002-07-01 4535090
2002-10-01 4652903
2003-01-01 4841423
2003-04-01 4897050
2003-07-01 5261087
2003-10-01 5556045
2004-01-01 5955229
2004-04-01 5838445
2004-07-01 5781001
2004-10-01 6336163
2005-01-01 6292997
2005-04-01 6214028
2005-07-01 6017698
2005-10-01 5829682
2006-01-01 5821311
2006-04-01 5960981
2006-07-01 5867269
2006-10-01 5832507
2007-01-01 5903053
2007-04-01 5613458
2007-07-01 6056097
2007-10-01 6315144
2008-01-01 7283664
2008-04-01 6807023
2008-07-01 6833131
2008-10-01 8125132
2009-01-01 7419569
2009-04-01 7834644
2009-07-01 8461281
2009-10-01 8314565
2010-01-01 8336079
2010-04-01 9151994
2010-07-01 9871597
2010-10-01 10172935
2011-01-01 10026323
2011-04-01 10659091
2011-07-01 11434021
2011-10-01 11361380
2012-01-01 10735732
2012-04-01 11352365
2012-07-01 11778352
2012-10-01 10693837
2013-01-01 9869330
2013-04-01 9472485
2013-07-01 9725871
2013-10-01 9123297
2014-01-01 9352685
2014-04-01 9707079
2014-07-01 8993314
2014-10-01 8323572
2015-01-01 8435454
2015-04-01 8292396
2015-07-01 8462911
2015-10-01 8417842
2016-01-01 9313588
2016-04-01 10491254
2016-07-01 10550684
2016-10-01 9012678
2017-01-01 9412216
2017-04-01 9430284
2017-07-01 9438418
2017-10-01 9476937
2018-01-01 10048442