Quarterly Millions of US Dollars
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 25
1981-10-01 25
1982-01-01 25
1982-04-01 25
1982-07-01 0
1982-10-01 0
1983-01-01 0
1983-04-01 0
1983-07-01 0
1983-10-01 0
1984-01-01 0
1984-04-01 0
1984-07-01 35
1984-10-01 36
1985-01-01 61
1985-04-01 61
1985-07-01 89
1985-10-01 143
1986-01-01 122
1986-04-01 127
1986-07-01 59
1986-10-01 0
1987-01-01 0
1987-04-01 0
1987-07-01 0
1987-10-01 0
1988-01-01 0
1988-04-01 0
1988-07-01 0
1988-10-01 0
1989-01-01 0
1989-04-01 53
1989-07-01 53
1989-10-01 53
1990-01-01 117
1990-04-01 66
1990-07-01 72
1990-10-01 74
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
1993-04-01 111
1993-07-01 111
1993-10-01 111
1994-01-01 15
1994-04-01 15
1994-07-01 0
1994-10-01 0
1995-01-01 320
1995-04-01 320
1995-07-01 320
1995-10-01 320
1996-01-01 0
1996-04-01 0
1996-07-01 0
1996-10-01 100
1997-01-01 100
1997-04-01 250
1997-07-01 250
1997-10-01 150
1998-01-01 150
1998-04-01 0
1998-07-01 0
1998-10-01 0
1999-01-01 0
1999-04-01 0
1999-07-01 0
1999-10-01 0
2000-01-01 0
2000-04-01 180
2000-07-01 180
2000-10-01 180
2001-01-01 180
2001-04-01 465
2001-07-01 9
2001-10-01 19
2002-01-01 91
2002-04-01 292
2002-07-01 323
2002-10-01 835
2003-01-01 770
2003-04-01 569
2003-07-01 1661
2003-10-01 568
2004-01-01 336
2004-04-01 584
2004-07-01 899
2004-10-01 1136
2005-01-01 1690
2005-04-01 1714
2005-07-01 1557
2005-10-01 1657
2006-01-01 1116
2006-04-01 816
2006-07-01 1104
2006-10-01 1054
2007-01-01 1546
2007-04-01 1711
2007-07-01 1434
2007-10-01 1184
2008-01-01 585
2008-04-01 1660
2008-07-01 1399
2008-10-01 1799
2009-01-01 1799
2009-04-01 559
2009-07-01 720
2009-10-01 320
2010-01-01 378
2010-04-01 576
2010-07-01 878
2010-10-01 898
2011-01-01 1881
2011-04-01 2181
2011-07-01 1590
2011-10-01 3338
2012-01-01 3796
2012-04-01 3605
2012-07-01 3183
2012-10-01 2150
2013-01-01 2296
2013-04-01 1947
2013-07-01 1960
2013-10-01 2349
2014-01-01 1327
2014-04-01 1627
2014-07-01 2129
2014-10-01 1796
2015-01-01 2324
2015-04-01 2396
2015-07-01 2220
2015-10-01 1970
2016-01-01 1594
2016-04-01 1879
2016-07-01 2649
2016-10-01 4813
2017-01-01 5644
2017-04-01 6044
2017-07-01 5542
2017-10-01 3240
2018-01-01 3020
2018-04-01 2378