Quarterly Millions of US Dollars
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 0
1979-01-01 0
1979-04-01 0
1979-07-01 0
1979-10-01 0
1980-01-01 0
1980-04-01 50
1980-07-01 50
1980-10-01 50
1981-01-01 50
1981-04-01 85
1981-07-01 85
1981-10-01 85
1982-01-01 85
1982-04-01 28
1982-07-01 27
1982-10-01 104
1983-01-01 102
1983-04-01 134
1983-07-01 132
1983-10-01 153
1984-01-01 160
1984-04-01 97
1984-07-01 91
1984-10-01 210
1985-01-01 211
1985-04-01 212
1985-07-01 240
1985-10-01 87
1986-01-01 161
1986-04-01 173
1986-07-01 260
1986-10-01 312
1987-01-01 254
1987-04-01 443
1987-07-01 525
1987-10-01 484
1988-01-01 686
1988-04-01 433
1988-07-01 248
1988-10-01 408
1989-01-01 181
1989-04-01 167
1989-07-01 172
1989-10-01 0
1990-01-01 0
1990-04-01 0
1990-07-01 0
1990-10-01 0
1991-01-01 0
1991-04-01 0
1991-07-01 0
1991-10-01 0
1992-01-01 0
1992-04-01 0
1992-07-01 0
1992-10-01 0
1993-01-01 0
1993-04-01 0
1993-07-01 0
1993-10-01 0
1994-01-01 0
1994-04-01 0
1994-07-01 0
1994-10-01 0
1995-01-01 0
1995-04-01 0
1995-07-01 6
1995-10-01 0
1996-01-01 0
1996-04-01 737
1996-07-01 717
1996-10-01 688
1997-01-01 647
1997-04-01 0
1997-07-01 566
1997-10-01 9222
1998-01-01 9205
1998-04-01 9449
1998-07-01 9028
1998-10-01 360
1999-01-01 351
1999-04-01 4702
1999-07-01 4577
1999-10-01 4577
2000-01-01 4868
2000-04-01 7767
2000-07-01 10851
2000-10-01 12558
2001-01-01 12314
2001-04-01 5595
2001-07-01 3590
2001-10-01 2215
2002-01-01 2624
2002-04-01 2921
2002-07-01 3920
2002-10-01 4048
2003-01-01 3495
2003-04-01 5501
2003-07-01 3967
2003-10-01 3723
2004-01-01 4014
2004-04-01 2026
2004-07-01 8479
2004-10-01 10270
2005-01-01 12892
2005-04-01 23079
2005-07-01 16046
2005-10-01 15075
2006-01-01 13330
2006-04-01 2809
2006-07-01 4541
2006-10-01 4507
2007-01-01 3874
2007-04-01 4753
2007-07-01 3043
2007-10-01 2182
2008-01-01 1627
2008-04-01 1038
2008-07-01 1009
2008-10-01 2216
2009-01-01 3187
2009-04-01 2833
2009-07-01 3047
2009-10-01 3305
2010-01-01 3572
2010-04-01 2938
2010-07-01 4115
2010-10-01 2586
2011-01-01 2457
2011-04-01 2457
2011-07-01 2557
2011-10-01 2500
2012-01-01 1336
2012-04-01 2505
2012-07-01 1246
2012-10-01 1246
2013-01-01 1246
2013-04-01 0
2013-07-01 1694
2013-10-01 4072
2014-01-01 7275
2014-04-01 7264
2014-07-01 11014
2014-10-01 8601
2015-01-01 6576
2015-04-01 6626
2015-07-01 850
2015-10-01 858
2016-01-01 2550
2016-04-01 2980
2016-07-01 2982
2016-10-01 5258
2017-01-01 7223
2017-04-01 6809
2017-07-01 6809
2017-10-01 4509
2018-01-01 0
2018-04-01 0