Quarterly Millions of US Dollars
1979-07-01 287
1979-10-01 433
1980-01-01 386
1980-04-01 426
1980-07-01 414
1980-10-01 383
1981-01-01 358
1981-04-01 313
1981-07-01 373
1981-10-01 434
1982-01-01 455
1982-04-01 486
1982-07-01 472
1982-10-01 508
1983-01-01 684
1983-04-01 716
1983-07-01 746
1983-10-01 1181
1984-01-01 1347
1984-04-01 1482
1984-07-01 2012
1984-10-01 2387
1985-01-01 2835
1985-04-01 3179
1985-07-01 3886
1985-10-01 4132
1986-01-01 5267
1986-04-01 6120
1986-07-01 6686
1986-10-01 7147
1987-01-01 7345
1987-04-01 7400
1987-07-01 7740
1987-10-01 7987
1988-01-01 7826
1988-04-01 7668
1988-07-01 7639
1988-10-01 8339
1989-01-01 7877
1989-04-01 7702
1989-07-01 8172
1989-10-01 8759
1990-01-01 8977
1990-04-01 10239
1990-07-01 10534
1990-10-01 10912
1991-01-01 11167
1991-04-01 10967
1991-07-01 11447
1991-10-01 12533
1992-01-01 12110
1992-04-01 12608
1992-07-01 12814
1992-10-01 11949
1993-01-01 12224
1993-04-01 12482
1993-07-01 15432
1993-10-01 15507
1994-01-01 16197
1994-04-01 16528
1994-07-01 17489
1994-10-01 18703
1995-01-01 20426
1995-04-01 21508
1995-07-01 21044
1995-10-01 20470
1996-01-01 18829
1996-04-01 17759
1996-07-01 16258
1996-10-01 15427
1997-01-01 14693
1997-04-01 14338
1997-07-01 14173
1997-10-01 14431
1998-01-01 13667
1998-04-01 12579
1998-07-01 12280
1998-10-01 12018
1999-01-01 11451
1999-04-01 10793
1999-07-01 10666
1999-10-01 8836
2000-01-01 8161
2000-04-01 7860
2000-07-01 7393
2000-10-01 7490
2001-01-01 11027
2001-04-01 15000
2001-07-01 15465
2001-10-01 14400
2002-01-01 17920
2002-04-01 18714
2002-07-01 18513
2002-10-01 19538
2003-01-01 20196
2003-04-01 21046
2003-07-01 21463
2003-10-01 21417
2004-01-01 21170
2004-04-01 21224
2004-07-01 21623
2004-10-01 22892
2005-01-01 21836
2005-04-01 20525
2005-07-01 19945
2005-10-01 19549
2006-01-01 20045
2006-04-01 21028
2006-07-01 14612
2006-10-01 15181
2007-01-01 15382
2007-04-01 22384
2007-07-01 23476
2007-10-01 24354
2008-01-01 25158
2008-04-01 32965
2008-07-01 31956
2008-10-01 31162
2009-01-01 30213
2009-04-01 39000
2009-07-01 43711
2009-10-01 43097
2010-01-01 48637
2010-04-01 45038
2010-07-01 49579
2010-10-01 48992
2011-01-01 51649
2011-04-01 53467
2011-07-01 43812
2011-10-01 42970
2012-01-01 39083
2012-04-01 37894
2012-07-01 30656
2012-10-01 31175
2013-01-01 24572
2013-04-01 26433
2013-07-01 31038
2013-10-01 31593
2014-01-01 24411
2014-04-01 24272
2014-07-01 22448
2014-10-01 22122
2015-01-01 20095
2015-04-01 20888
2015-07-01 21025
2015-10-01 20667
2016-01-01 16953
2016-04-01 17429
2016-07-01 20525
2016-10-01 20152
2017-01-01 20532
2017-04-01 20864
2017-07-01 20833
2017-10-01 22780
2018-01-01 21749
2018-04-01 20599