Quarterly Millions of US Dollars
1987-01-01 78
1987-04-01 98
1987-07-01 122
1987-10-01 157
1988-01-01 179
1988-04-01 204
1988-07-01 239
1988-10-01 265
1989-01-01 291
1989-04-01 278
1989-07-01 305
1989-10-01 367
1990-01-01 431
1990-04-01 481
1990-07-01 573
1990-10-01 624
1991-01-01 715
1991-04-01 780
1991-07-01 947
1991-10-01 1010
1992-01-01 1136
1992-04-01 1260
1992-07-01 1420
1992-10-01 1142
1993-01-01 1309
1993-04-01 1241
1993-07-01 1363
1993-10-01 1331
1994-01-01 1421
1994-04-01 1495
1994-07-01 1615
1994-10-01 1654
1995-01-01 1991
1995-04-01 2104
1995-07-01 2091
1995-10-01 2068
1996-01-01 2271
1996-04-01 2354
1996-07-01 2423
1996-10-01 2545
1997-01-01 2479
1997-04-01 2593
1997-07-01 2686
1997-10-01 2769
1998-01-01 2906
1998-04-01 3010
1998-07-01 3252
1998-10-01 3357
1999-01-01 3438
1999-04-01 3481
1999-07-01 3801
1999-10-01 3866
2000-01-01 3822
2000-04-01 3888
2000-07-01 3682
2000-10-01 3813
2001-01-01 3336
2001-04-01 3120
2001-07-01 3395
2001-10-01 3524
2002-01-01 3904
2002-04-01 4889
2002-07-01 4946
2002-10-01 5413
2003-01-01 6161
2003-04-01 6248
2003-07-01 6623
2003-10-01 7351
2004-01-01 7395
2004-04-01 7873
2004-07-01 8140
2004-10-01 9943
2005-01-01 10277
2005-04-01 9895
2005-07-01 11212
2005-10-01 10996
2006-01-01 10310
2006-04-01 10112
2006-07-01 11312
2006-10-01 12017
2007-01-01 13448
2007-04-01 14873
2007-07-01 15547
2007-10-01 16898
2008-01-01 13093
2008-04-01 15207
2008-07-01 12100
2008-10-01 6951
2009-01-01 6542
2009-04-01 6393
2009-07-01 6655
2009-10-01 6750
2010-01-01 6710
2010-04-01 6726
2010-07-01 7588
2010-10-01 7581
2011-01-01 7606
2011-04-01 7790
2011-07-01 7607
2011-10-01 8406
2012-01-01 8299
2012-04-01 8443
2012-07-01 8469
2012-10-01 8151
2013-01-01 8533
2013-04-01 8665
2013-07-01 8890
2013-10-01 9329
2014-01-01 9491
2014-04-01 9436
2014-07-01 8639
2014-10-01 8186
2015-01-01 7571
2015-04-01 7899
2015-07-01 8367
2015-10-01 8285
2016-01-01 8972
2016-04-01 9101
2016-07-01 9816
2016-10-01 10030
2017-01-01 10236
2017-04-01 11507
2017-07-01 11433
2017-10-01 11518
2018-01-01 12724