Quarterly Millions of US Dollars
1987-01-01 372
1987-04-01 417
1987-07-01 437
1987-10-01 576
1988-01-01 574
1988-04-01 560
1988-07-01 631
1988-10-01 708
1989-01-01 685
1989-04-01 722
1989-07-01 800
1989-10-01 897
1990-01-01 1051
1990-04-01 1183
1990-07-01 1409
1990-10-01 1460
1991-01-01 1479
1991-04-01 1547
1991-07-01 1875
1991-10-01 2021
1992-01-01 2195
1992-04-01 2414
1992-07-01 2720
1992-10-01 2217
1993-01-01 2452
1993-04-01 2300
1993-07-01 2589
1993-10-01 2481
1994-01-01 2636
1994-04-01 2813
1994-07-01 3073
1994-10-01 3062
1995-01-01 3443
1995-04-01 3572
1995-07-01 3742
1995-10-01 3676
1996-01-01 3932
1996-04-01 4009
1996-07-01 4129
1996-10-01 4227
1997-01-01 4190
1997-04-01 4438
1997-07-01 4620
1997-10-01 4503
1998-01-01 4728
1998-04-01 4937
1998-07-01 5393
1998-10-01 5398
1999-01-01 5300
1999-04-01 5332
1999-07-01 5764
1999-10-01 5781
2000-01-01 5674
2000-04-01 5581
2000-07-01 5196
2000-10-01 5246
2001-01-01 4693
2001-04-01 4355
2001-07-01 4720
2001-10-01 4921
2002-01-01 5432
2002-04-01 6508
2002-07-01 6694
2002-10-01 7356
2003-01-01 8276
2003-04-01 8460
2003-07-01 9144
2003-10-01 10187
2004-01-01 10310
2004-04-01 10762
2004-07-01 11326
2004-10-01 13996
2005-01-01 14290
2005-04-01 14151
2005-07-01 15881
2005-10-01 16328
2006-01-01 14847
2006-04-01 15028
2006-07-01 16878
2006-10-01 18062
2007-01-01 19526
2007-04-01 22325
2007-07-01 23712
2007-10-01 25445
2008-01-01 19343
2008-04-01 21907
2008-07-01 17850
2008-10-01 12421
2009-01-01 12367
2009-04-01 11546
2009-07-01 12063
2009-10-01 12258
2010-01-01 11416
2010-04-01 13540
2010-07-01 15793
2010-10-01 15611
2011-01-01 16231
2011-04-01 16365
2011-07-01 15737
2011-10-01 16683
2012-01-01 16366
2012-04-01 16642
2012-07-01 16767
2012-10-01 16237
2013-01-01 17287
2013-04-01 17324
2013-07-01 17663
2013-10-01 18727
2014-01-01 18879
2014-04-01 18777
2014-07-01 17744
2014-10-01 17427
2015-01-01 16202
2015-04-01 16955
2015-07-01 18084
2015-10-01 17794
2016-01-01 19042
2016-04-01 19061
2016-07-01 20850
2016-10-01 21004
2017-01-01 20916
2017-04-01 23332
2017-07-01 22738
2017-10-01 22670
2018-01-01 24428