Quarterly Millions of US Dollars
1971-01-01 0
1971-04-01 0
1971-07-01 0
1971-10-01 0
1972-01-01 0
1972-04-01 0
1972-07-01 0
1972-10-01 0
1973-01-01 0
1973-04-01 0
1973-07-01 0
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 44
1979-01-01 43
1979-04-01 43
1979-07-01 44
1979-10-01 58
1980-01-01 51
1980-04-01 57
1980-07-01 146
1980-10-01 85
1981-01-01 78
1981-04-01 100
1981-07-01 27
1981-10-01 27
1982-01-01 25
1982-04-01 0
1982-07-01 23
1982-10-01 25
1983-01-01 24
1983-04-01 132
1983-07-01 107
1983-10-01 103
1984-01-01 106
1984-04-01 0
1984-07-01 20
1984-10-01 197
1985-01-01 219
1985-04-01 221
1985-07-01 215
1985-10-01 166
1986-01-01 468
1986-04-01 544
1986-07-01 679
1986-10-01 842
1987-01-01 838
1987-04-01 790
1987-07-01 1083
1987-10-01 856
1988-01-01 1076
1988-04-01 1019
1988-07-01 598
1988-10-01 703
1989-01-01 288
1989-04-01 271
1989-07-01 605
1989-10-01 489
1990-01-01 443
1990-04-01 449
1990-07-01 192
1990-10-01 479
1991-01-01 332
1991-04-01 756
1991-07-01 756
1991-10-01 545
1992-01-01 530
1992-04-01 366
1992-07-01 337
1992-10-01 691
1993-01-01 1302
1993-04-01 1046
1993-07-01 1344
1993-10-01 1510
1994-01-01 1482
1994-04-01 1457
1994-07-01 1269
1994-10-01 892
1995-01-01 1772
1995-04-01 1810
1995-07-01 1784
1995-10-01 1546
1996-01-01 926
1996-04-01 987
1996-07-01 868
1996-10-01 1245
1997-01-01 902
1997-04-01 725
1997-07-01 705
1997-10-01 485
1998-01-01 925
1998-04-01 1096
1998-07-01 1172
1998-10-01 1008
1999-01-01 1590
1999-04-01 1565
1999-07-01 801
1999-10-01 1648
2000-01-01 1989
2000-04-01 3094
2000-07-01 964
2000-10-01 1384
2001-01-01 952
2001-04-01 400
2001-07-01 2396
2001-10-01 6175
2002-01-01 6540
2002-04-01 6381
2002-07-01 5213
2002-10-01 6059
2003-01-01 5578
2003-04-01 6546
2003-07-01 4497
2003-10-01 2913
2004-01-01 2761
2004-04-01 1545
2004-07-01 897
2004-10-01 715
2005-01-01 148
2005-04-01 0
2005-07-01 0
2005-10-01 0
2006-01-01 5
2006-04-01 0
2006-07-01 0
2006-10-01 0
2007-01-01 0
2007-04-01 967
2007-07-01 12256
2007-10-01 1078
2008-01-01 7386
2008-04-01 7876
2008-07-01 17386
2008-10-01 27632
2009-01-01 22834
2009-04-01 19425
2009-07-01 10681
2009-10-01 4344
2010-01-01 2488
2010-04-01 3223
2010-07-01 5840
2010-10-01 1042
2011-01-01 744
2011-04-01 675
2011-07-01 734
2011-10-01 452
2012-01-01 1146
2012-04-01 1410
2012-07-01 1604
2012-10-01 1720
2013-01-01 1850
2013-04-01 2312
2013-07-01 991
2013-10-01 670
2014-01-01 801
2014-04-01 572
2014-07-01 1909
2014-10-01 2823
2015-01-01 3564
2015-04-01 2928
2015-07-01 2750
2015-10-01 1148
2016-01-01 2586
2016-04-01 1844
2016-07-01 2825
2016-10-01 3020
2017-01-01 4525
2017-04-01 6077
2017-07-01 5094
2017-10-01 608
2018-01-01 3659
2018-04-01 3691