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 16
1981-07-01 16
1981-10-01 16
1982-01-01 16
1982-04-01 0
1982-07-01 0
1982-10-01 0
1983-01-01 0
1983-04-01 67
1983-07-01 104
1983-10-01 103
1984-01-01 163
1984-04-01 90
1984-07-01 50
1984-10-01 99
1985-01-01 51
1985-04-01 94
1985-07-01 108
1985-10-01 99
1986-01-01 109
1986-04-01 81
1986-07-01 102
1986-10-01 46
1987-01-01 66
1987-04-01 33
1987-07-01 16
1987-10-01 42
1988-01-01 21
1988-04-01 44
1988-07-01 83
1988-10-01 196
1989-01-01 183
1989-04-01 150
1989-07-01 281
1989-10-01 164
1990-01-01 154
1990-04-01 160
1991-10-01 0
1992-01-01 0
1992-04-01 0
1992-07-01 0
1992-10-01 500
1993-01-01 500
1993-04-01 650
1993-07-01 650
1993-10-01 150
1994-01-01 500
1994-04-01 456
1994-07-01 446
1994-10-01 446
1995-01-01 139
1995-04-01 81
1995-07-01 317
1995-10-01 865
1996-01-01 750
1996-04-01 727
1996-07-01 1142
1996-10-01 2334
1997-01-01 2359
1997-04-01 2599
1997-07-01 1782
1997-10-01 8608
1998-01-01 8619
1998-04-01 8966
1998-07-01 9692
1998-10-01 2476
1999-01-01 2255
1999-04-01 3477
1999-07-01 4584
1999-10-01 4270
2000-01-01 6938
2000-04-01 26364
2000-07-01 26766
2000-10-01 27534
2001-01-01 26674
2001-04-01 2565
2001-07-01 2136
2001-10-01 986
2002-01-01 1703
2002-04-01 1660
2002-07-01 1434
2002-10-01 1769
2003-01-01 1890
2003-04-01 5681
2003-07-01 7707
2003-10-01 8576
2004-01-01 8071
2004-04-01 45548
2004-07-01 44390
2004-10-01 45332
2005-01-01 43226
2005-04-01 1312
2005-07-01 1235
2005-10-01 1376
2006-01-01 2271
2006-04-01 2556
2006-07-01 3117
2006-10-01 2973
2007-01-01 3283
2007-04-01 2880
2007-07-01 2299
2007-10-01 8451
2008-01-01 7114
2008-04-01 7377
2008-07-01 7151
2008-10-01 1298
2009-01-01 1899
2009-04-01 1659
2009-07-01 2200
2009-10-01 2125
2010-01-01 1434
2010-04-01 1300
2010-07-01 1797
2010-10-01 1308
2011-01-01 2067
2011-04-01 1620
2011-07-01 723
2011-10-01 805
2012-01-01 85
2012-04-01 85
2012-07-01 85
2012-10-01 0
2013-01-01 0
2013-04-01 0
2013-07-01 0
2013-10-01 576
2014-01-01 576
2014-04-01 1840
2014-07-01 1840
2014-10-01 2330
2015-01-01 2331
2015-04-01 1095
2015-07-01 1170
2015-10-01 117
2016-01-01 1643
2016-04-01 18635
2016-07-01 19157
2016-10-01 19157
2017-01-01 17834
2017-04-01 3176
2017-07-01 3055
2017-10-01 3055
2018-01-01 3144
2018-04-01 4797