Quarterly Millions of US Dollars
1975-04-01 12
1975-07-01 12
1975-10-01 31
1976-01-01 32
1976-04-01 56
1976-07-01 58
1976-10-01 70
1977-01-01 70
1977-04-01 70
1977-07-01 101
1977-10-01 105
1978-01-01 107
1978-04-01 107
1978-07-01 112
1978-10-01 113
1979-01-01 111
1979-04-01 112
1979-07-01 115
1979-10-01 115
1980-01-01 109
1980-04-01 114
1980-07-01 113
1980-10-01 109
1981-01-01 181
1981-04-01 177
1981-07-01 178
1981-10-01 181
1982-01-01 178
1982-04-01 214
1982-07-01 197
1982-10-01 177
1983-01-01 177
1983-04-01 152
1983-07-01 152
1983-10-01 140
1984-01-01 140
1984-04-01 140
1984-07-01 125
1984-10-01 125
1985-01-01 125
1985-04-01 125
1985-07-01 125
1985-10-01 200
1986-01-01 125
1986-04-01 125
1986-07-01 125
1986-10-01 125
1987-01-01 125
1987-04-01 200
1987-07-01 200
1987-10-01 275
1988-01-01 275
1988-04-01 275
1988-07-01 275
1988-10-01 275
1989-01-01 275
1989-04-01 275
1989-07-01 275
1989-10-01 275
1990-01-01 350
1990-04-01 350
1990-07-01 350
1990-10-01 350
1991-01-01 350
1991-04-01 370
1991-07-01 480
1991-10-01 480
1992-01-01 519
1992-04-01 469
1992-07-01 469
1992-10-01 394
1993-01-01 394
1993-04-01 394
1993-07-01 544
1993-10-01 484
1994-01-01 574
1994-04-01 626
1994-07-01 677
1994-10-01 727
1995-01-01 657
1995-04-01 659
1995-07-01 653
1995-10-01 502
1996-01-01 481
1996-04-01 730
1996-07-01 500
1996-10-01 741
1997-01-01 820
1997-04-01 965
1997-07-01 1559
1997-10-01 1583
1998-01-01 1548
1998-04-01 2041
1998-07-01 2113
1998-10-01 2138
1999-01-01 2182
1999-04-01 2624
1999-07-01 2633
1999-10-01 2588
2000-01-01 2628
2000-04-01 3515
2000-07-01 3860
2000-10-01 3938
2001-01-01 3640
2001-04-01 3362
2001-07-01 3368
2001-10-01 7098
2002-01-01 6994
2002-04-01 7075
2002-07-01 6399
2002-10-01 6424
2003-01-01 6634
2003-04-01 6695
2003-07-01 7113
2003-10-01 9864
2004-01-01 9957
2004-04-01 10365
2004-07-01 10364
2004-10-01 11377
2005-01-01 11434
2005-04-01 11463
2005-07-01 11634
2005-10-01 11422
2006-01-01 11450
2006-04-01 13168
2006-07-01 13267
2006-10-01 13707
2007-01-01 14191
2007-04-01 15431
2007-07-01 15651
2007-10-01 16820
2008-01-01 17620
2008-04-01 17671
2008-07-01 17821
2008-10-01 16973
2009-01-01 16563
2009-04-01 17379
2009-07-01 19142
2009-10-01 19290
2010-01-01 19535
2010-04-01 20424
2010-07-01 21113
2010-10-01 21496
2011-01-01 22246
2011-04-01 22128
2011-07-01 21827
2011-10-01 19973
2012-01-01 21606
2012-04-01 20901
2012-07-01 22545
2012-10-01 22883
2013-01-01 23974
2013-04-01 23331
2013-07-01 23669
2013-10-01 22920
2014-01-01 23867
2014-04-01 24599
2014-07-01 25075
2014-10-01 24533
2015-01-01 24677
2015-04-01 27038
2015-07-01 26104
2015-10-01 26246
2016-01-01 26038
2016-04-01 26020
2016-07-01 25749
2016-10-01 24901
2017-01-01 25234
2017-04-01 25265
2017-07-01 29154
2017-10-01 29856
2018-01-01 29558
2018-04-01 30792