Quarterly Millions of US Dollars
1988-04-01 33075
1988-07-01 35773
1988-10-01 37752
1989-01-01 37305
1989-04-01 34690
1989-07-01 36964
1989-10-01 38674
1990-01-01 38761
1990-04-01 40479
1990-07-01 42905
1990-10-01 40542
1991-01-01 41635
1991-04-01 40367
1991-07-01 41196
1991-10-01 39486
1992-01-01 39640
1992-04-01 40621
1992-07-01 39250
1992-10-01 37913
1993-01-01 37188
1993-04-01 35532
1993-07-01 31518
1993-10-01 32378
1994-01-01 32670
1994-04-01 31574
1994-07-01 35536
1994-10-01 36516
1995-01-01 34713
1995-04-01 34108
1995-07-01 34517
1995-10-01 33924
1996-01-01 36292
1996-04-01 37742
1996-07-01 40894
1996-10-01 42695
1997-01-01 40717
1997-04-01 40728
1997-07-01 39788
1997-10-01 39719
1998-01-01 41234
1998-04-01 39111
1998-07-01 37807
1998-10-01 37943
1999-01-01 42436
1999-04-01 42949
1999-07-01 43140
1999-10-01 44475
2000-01-01 46421
2000-04-01 50584
2000-07-01 47667
2000-10-01 51237
2001-01-01 47336
2001-04-01 47681
2001-07-01 48813
2001-10-01 50057
2002-01-01 52538
2002-04-01 56497
2002-07-01 54855
2002-10-01 59920
2003-01-01 62710
2003-04-01 71413
2003-07-01 69013
2003-10-01 73775
2004-01-01 73143
2004-04-01 70339
2004-07-01 74194
2004-10-01 78804
2005-01-01 81349
2005-04-01 82724
2005-07-01 81146
2005-10-01 82397
2006-01-01 80986
2006-04-01 88605
2006-07-01 94379
2006-10-01 96165
2007-01-01 99239
2007-04-01 97726
2007-07-01 103263
2007-10-01 100261
2008-01-01 106282
2008-04-01 114538
2008-07-01 103775
2008-10-01 98988
2009-01-01 104701
2009-04-01 123020
2009-07-01 131675
2009-10-01 137438
2010-01-01 138963
2010-04-01 134329
2010-07-01 154818
2010-10-01 155105
2011-01-01 161956
2011-04-01 169990
2011-07-01 167099
2011-10-01 179149
2012-01-01 195855
2012-04-01 194389
2012-07-01 209601
2012-10-01 216505
2013-01-01 220097
2013-04-01 207056
2013-07-01 220696
2013-10-01 220229
2014-01-01 222056
2014-04-01 222486
2014-07-01 214756
2014-10-01 202794
2015-01-01 197706
2015-04-01 208500
2015-07-01 199010
2015-10-01 206824
2016-01-01 217776
2016-04-01 209997
2016-07-01 208033
2016-10-01 199836
2017-01-01 197096
2017-04-01 205362
2017-07-01 205406
2017-10-01 202305
2018-01-01 201872