Quarterly Millions of US Dollars
1982-07-01 19
1982-10-01 21
1983-01-01 21
1983-04-01 21
1983-07-01 21
1983-10-01 22
1984-01-01 145
1984-04-01 142
1984-07-01 161
1984-10-01 160
1985-01-01 180
1985-04-01 229
1985-07-01 342
1985-10-01 411
1986-01-01 515
1986-04-01 714
1986-07-01 880
1986-10-01 888
1987-01-01 1056
1987-04-01 1218
1987-07-01 1496
1987-10-01 1740
1988-01-01 1980
1988-04-01 2467
1988-07-01 2410
1988-10-01 3241
1989-01-01 3107
1989-04-01 3011
1989-07-01 3092
1989-10-01 3101
1990-01-01 3078
1990-04-01 3134
1990-07-01 3294
1990-10-01 2668
1991-01-01 1723
1991-04-01 1654
1991-07-01 1775
1991-10-01 1919
1992-01-01 1780
1992-04-01 1814
1992-07-01 1754
1992-10-01 1556
1993-01-01 2236
1993-04-01 1978
1993-07-01 2776
1993-10-01 3617
1994-01-01 4485
1994-04-01 4511
1994-07-01 6156
1994-10-01 6671
1995-01-01 8248
1995-04-01 9660
1995-07-01 9066
1995-10-01 9900
1996-01-01 10044
1996-04-01 10819
1996-07-01 10823
1996-10-01 10507
1997-01-01 10345
1997-04-01 11004
1997-07-01 11273
1997-10-01 11759
1998-01-01 12214
1998-04-01 12422
1998-07-01 13179
1998-10-01 13395
1999-01-01 11054
1999-04-01 10706
1999-07-01 10848
1999-10-01 11229
2000-01-01 10376
2000-04-01 9479
2000-07-01 8884
2000-10-01 9290
2001-01-01 9244
2001-04-01 9231
2001-07-01 10474
2001-10-01 10965
2002-01-01 10649
2002-04-01 11161
2002-07-01 11748
2002-10-01 11914
2003-01-01 14728
2003-04-01 16506
2003-07-01 16685
2003-10-01 17994
2004-01-01 16778
2004-04-01 16680
2004-07-01 15992
2004-10-01 17528
2005-01-01 16633
2005-04-01 14539
2005-07-01 14474
2005-10-01 17663
2006-01-01 21742
2006-04-01 22826
2006-07-01 23380
2006-10-01 24316
2007-01-01 24585
2007-04-01 28065
2007-07-01 26621
2007-10-01 27263
2008-01-01 33465
2008-04-01 32349
2008-07-01 29221
2008-10-01 30484
2009-01-01 32473
2009-04-01 38821
2009-07-01 42167
2009-10-01 44399
2010-01-01 41715
2010-04-01 38057
2010-07-01 44101
2010-10-01 41239
2011-01-01 46724
2011-04-01 39853
2011-07-01 37595
2011-10-01 36321
2012-01-01 36671
2012-04-01 34565
2012-07-01 32250
2012-10-01 35511
2013-01-01 33345
2013-04-01 33933
2013-07-01 34983
2013-10-01 35675
2014-01-01 33831
2014-04-01 30117
2014-07-01 32363
2014-10-01 26132
2015-01-01 22520
2015-04-01 23244
2015-07-01 23250
2015-10-01 22667
2016-01-01 23484
2016-04-01 22803
2016-07-01 22903
2016-10-01 18730
2017-01-01 15813
2017-04-01 15994
2017-07-01 16312
2017-10-01 12897
2018-01-01 18129
2018-04-01 17160