Quarterly Millions of US Dollars
1987-04-01 2448
1987-07-01 2637
1987-10-01 4827
1988-01-01 4817
1988-04-01 4603
1988-07-01 4518
1988-10-01 4597
1989-01-01 3900
1989-04-01 4886
1989-07-01 5374
1989-10-01 7329
1990-01-01 5576
1990-04-01 7608
1990-07-01 12080
1990-10-01 12796
1991-01-01 12167
1991-04-01 11297
1991-07-01 13261
1991-10-01 13382
1992-01-01 14332
1992-04-01 12687
1992-07-01 13990
1992-10-01 15594
1993-01-01 16659
1993-04-01 20455
1993-07-01 25855
1993-10-01 24452
1994-01-01 27200
1994-04-01 29321
1994-07-01 22957
1994-10-01 27713
1995-01-01 30996
1995-04-01 34187
1995-07-01 25244
1995-10-01 33776
1996-01-01 35874
1996-04-01 43851
1996-07-01 46899
1996-10-01 49550
1997-01-01 52394
1997-04-01 49526
1997-07-01 43579
1997-10-01 43549
1998-01-01 50465
1998-04-01 50173
1998-07-01 55450
1998-10-01 55831
1999-01-01 53114
1999-04-01 51710
1999-07-01 49445
1999-10-01 47964
2000-01-01 53323
2000-04-01 48894
2000-07-01 46022
2000-10-01 38260
2001-01-01 40416
2001-04-01 35352
2001-07-01 34389
2001-10-01 31683
2002-01-01 33479
2002-04-01 30837
2002-07-01 27144
2002-10-01 25261
2003-01-01 26001
2003-04-01 24732
2003-07-01 25501
2003-10-01 23994
2004-01-01 27472
2004-04-01 25113
2004-07-01 23868
2004-10-01 24618
2005-01-01 24738
2005-04-01 23335
2005-07-01 22487
2005-10-01 22979
2006-01-01 24261
2006-04-01 22819
2006-07-01 21423
2006-10-01 22271
2007-01-01 21223
2007-04-01 19257
2007-07-01 21081
2007-10-01 20753
2008-01-01 22861
2008-04-01 22807
2008-07-01 22203
2008-10-01 21170
2009-01-01 21516
2009-04-01 21065
2009-07-01 20988
2009-10-01 20521
2010-01-01 24128
2010-04-01 21973
2010-07-01 22563
2010-10-01 23749
2011-01-01 25486
2011-04-01 23622
2011-07-01 23379
2011-10-01 24456
2012-01-01 29642
2012-04-01 31253
2012-07-01 33890
2012-10-01 35385
2013-01-01 38618
2013-04-01 38794
2013-07-01 40163
2013-10-01 40357
2014-01-01 42691
2014-04-01 43721
2014-07-01 43724
2014-10-01 41410
2015-01-01 45526
2015-04-01 45091
2015-07-01 40805
2015-10-01 41070
2016-01-01 46465
2016-04-01 46634
2016-07-01 49540
2016-10-01 45775
2017-01-01 56839
2017-04-01 55343
2017-07-01 56633
2017-10-01 57772
2018-01-01 61703