Quarterly Millions of US Dollars
1973-10-01 0
1974-01-01 0
1974-04-01 0
1974-07-01 0
1974-10-01 0
1975-01-01 0
1975-04-01 0
1975-07-01 0
1975-10-01 0
1976-01-01 0
1976-04-01 0
1976-07-01 0
1976-10-01 0
1977-01-01 0
1977-04-01 0
1977-07-01 0
1977-10-01 0
1978-01-01 0
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 0
1979-07-01 0
1979-10-01 0
1980-01-01 0
1980-04-01 0
1980-07-01 0
1980-10-01 0
1981-01-01 0
1981-04-01 0
1981-07-01 0
1981-10-01 0
1982-01-01 0
1982-04-01 0
1982-07-01 0
1982-10-01 0
1983-01-01 0
1983-04-01 20
1983-07-01 20
1983-10-01 20
1984-01-01 20
1984-04-01 0
1984-07-01 0
1984-10-01 6
1985-01-01 6
1985-04-01 36
1985-07-01 37
1985-10-01 30
1986-01-01 30
1986-04-01 0
1986-07-01 0
1986-10-01 8
1987-01-01 8
1987-04-01 33
1987-07-01 33
1987-10-01 143
1988-01-01 142
1988-04-01 113
1988-07-01 110
1988-10-01 6
1989-01-01 6
1989-04-01 6
1989-07-01 6
1989-10-01 6
1990-01-01 6
1990-04-01 39
1990-07-01 78
1990-10-01 80
1991-01-01 227
1991-04-01 192
1991-07-01 156
1991-10-01 330
1992-01-01 557
1992-04-01 696
1992-07-01 722
1992-10-01 641
1993-01-01 348
1993-04-01 214
1993-07-01 339
1993-10-01 613
1994-01-01 507
1994-04-01 517
1994-07-01 715
1994-10-01 333
1995-01-01 373
1995-04-01 534
1995-07-01 206
1995-10-01 249
1996-01-01 449
1996-04-01 295
1996-07-01 558
1996-10-01 460
1997-01-01 274
1997-04-01 360
1997-07-01 347
1997-10-01 335
1998-01-01 377
1998-04-01 638
1998-07-01 762
1998-10-01 1206
1999-01-01 1417
1999-04-01 1215
1999-07-01 951
1999-10-01 532
2000-01-01 524
2000-04-01 410
2000-07-01 555
2000-10-01 544
2001-01-01 409
2001-04-01 300
2001-07-01 540
2001-10-01 759
2002-01-01 827
2002-04-01 836
2002-07-01 445
2002-10-01 462
2003-01-01 334
2003-04-01 810
2003-07-01 1044
2003-10-01 822
2004-01-01 732
2004-04-01 287
2004-07-01 176
2004-10-01 150
2005-01-01 150
2005-04-01 175
2005-07-01 125
2005-10-01 125
2006-01-01 265
2006-04-01 391
2006-07-01 890
2006-10-01 1048
2007-01-01 1318
2007-04-01 1183
2007-07-01 637
2007-10-01 867
2008-01-01 1186
2008-04-01 1959
2008-07-01 2480
2008-10-01 2725
2009-01-01 3284
2009-04-01 3004
2009-07-01 3736
2009-10-01 3884
2010-01-01 5042
2010-04-01 6805
2010-07-01 6002
2010-10-01 6753
2011-01-01 7568
2011-04-01 7588
2011-07-01 9368
2011-10-01 11014
2012-01-01 8547
2012-04-01 6667
2012-07-01 4492
2012-10-01 1306
2013-01-01 530
2013-04-01 105
2013-07-01 1100
2013-10-01 3347
2014-01-01 4992
2014-04-01 5429
2014-07-01 4502
2014-10-01 2450
2015-01-01 2286
2015-04-01 2840
2015-07-01 2924
2015-10-01 3225
2016-01-01 1996
2016-04-01 1915
2016-07-01 2515
2016-10-01 2582
2017-01-01 3113
2017-04-01 3396
2017-07-01 2797
2017-10-01 2216
2018-01-01 1861
2018-04-01 1206