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
1993-07-01 196
1993-10-01 226
1994-01-01 185
1994-04-01 170
1994-07-01 170
1994-10-01 75
1995-01-01 320
1995-04-01 320
1995-07-01 320
1995-10-01 320
1996-01-01 16
1996-04-01 16
1996-07-01 16
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
2000-04-01 100
2000-07-01 100
2000-10-01 100
2001-01-01 100
2001-04-01 0
2001-07-01 110
2001-10-01 116
2002-01-01 187
2002-04-01 602
2002-07-01 773
2002-10-01 1285
2003-01-01 1220
2003-04-01 819
2003-07-01 1070
2003-10-01 568
2004-01-01 253
2004-04-01 502
2004-07-01 817
2004-10-01 853
2005-01-01 1450
2005-04-01 1174
2005-07-01 1017
2005-10-01 1017
2006-01-01 516
2006-04-01 516
2006-07-01 804
2006-10-01 1054
2007-01-01 1546
2007-04-01 1711
2007-07-01 1034
2007-10-01 784
2008-01-01 185
2008-04-01 860
2008-07-01 999
2008-10-01 999
2009-01-01 999
2009-04-01 159
2009-07-01 320
2009-10-01 320
2010-01-01 378
2010-04-01 576
2010-07-01 678
2010-10-01 698
2011-01-01 1681
2011-04-01 1481
2011-07-01 1090
2011-10-01 1903
2012-01-01 2361
2012-04-01 2655
2012-07-01 2142
2012-10-01 1800
2013-01-01 950
2013-04-01 750
2013-07-01 850
2013-10-01 967
2014-01-01 947
2014-04-01 1261
2014-07-01 1257
2014-10-01 754
2015-01-01 776
2015-04-01 823
2015-07-01 1163
2015-10-01 1120
2016-01-01 991
2016-04-01 815
2016-07-01 1274
2016-10-01 3531
2017-01-01 4587
2017-04-01 5181
2017-07-01 4992
2017-10-01 2990
2018-01-01 2770
2018-04-01 2026