Quarterly Millions of US Dollars
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 0
1981-10-01 0
1982-01-01 0
1982-04-01 0
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 0
1984-10-01 0
1985-01-01 0
1985-04-01 23
1985-07-01 24
1985-10-01 24
1986-01-01 24
1989-04-01 0
1989-07-01 0
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 20
1992-07-01 21
1992-10-01 19
1993-01-01 19
1993-04-01 0
1993-07-01 0
1993-10-01 0
1994-01-01 0
1994-04-01 16
1994-07-01 16
1994-10-01 16
1995-01-01 18
1995-04-01 36
1995-07-01 35
1995-10-01 35
1996-01-01 34
1996-04-01 0
1996-07-01 0
1996-10-01 0
1997-01-01 0
1997-04-01 0
1997-07-01 0
1997-10-01 0
1998-01-01 6
1998-04-01 106
1998-07-01 106
1998-10-01 115
1999-01-01 131
1999-04-01 89
1999-07-01 239
1999-10-01 242
2000-01-01 402
2000-04-01 435
2000-07-01 312
2000-10-01 294
2001-01-01 129
2001-04-01 87
2001-07-01 58
2001-10-01 46
2002-01-01 205
2002-04-01 25
2002-07-01 39
2002-10-01 35
2003-01-01 103
2003-04-01 227
2003-07-01 277
2003-10-01 380
2004-01-01 395
2004-04-01 632
2004-07-01 908
2004-10-01 1791
2005-01-01 1858
2005-04-01 1769
2005-07-01 1238
2005-10-01 1070
2006-01-01 1306
2006-04-01 1653
2006-07-01 1395
2006-10-01 2312
2007-01-01 1898
2007-04-01 1652
2007-07-01 1909
2007-10-01 674
2008-01-01 1495
2008-04-01 1553
2008-07-01 2302
2008-10-01 3430
2009-01-01 2890
2009-04-01 2543
2009-07-01 1886
2009-10-01 1083
2010-01-01 1053
2010-04-01 1771
2010-07-01 2354
2010-10-01 2804
2011-01-01 2915
2011-04-01 4438
2011-07-01 3459
2011-10-01 3685
2012-01-01 5482
2012-04-01 4148
2012-07-01 6073
2012-10-01 5553
2013-01-01 4820
2013-04-01 5284
2013-07-01 5921
2013-10-01 5589
2014-01-01 4431
2014-04-01 4300
2014-07-01 1837
2014-10-01 4013
2015-01-01 5095
2015-04-01 5902
2015-07-01 6603
2015-10-01 4672
2016-01-01 5029
2016-04-01 6804
2016-07-01 7333
2016-10-01 8682
2017-01-01 9867
2017-04-01 12001
2017-07-01 12288
2017-10-01 12785
2018-01-01 10012
2018-04-01 9010