Quarterly Millions of US Dollars
1971-07-01 0
1971-10-01 0
1972-01-01 0
1972-04-01 0
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 0
1980-07-01 0
1980-10-01 0
1981-01-01 0
1981-04-01 6
1981-07-01 6
1981-10-01 13
1982-01-01 12
1982-04-01 6
1982-07-01 6
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 31
1985-01-01 31
1985-04-01 31
1985-07-01 50
1985-10-01 22
1986-01-01 23
1986-04-01 27
1986-07-01 8
1986-10-01 10
1987-01-01 11
1987-04-01 9
1987-07-01 7
1987-10-01 0
1988-01-01 0
1988-04-01 5
1988-07-01 5
1988-10-01 5
1989-01-01 5
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 0
1992-07-01 0
1992-10-01 0
1993-01-01 0
1993-04-01 58
1993-07-01 59
1993-10-01 56
1994-01-01 58
1994-04-01 0
1994-07-01 0
1994-10-01 0
1995-01-01 0
1995-04-01 0
1995-07-01 0
1995-10-01 0
1996-01-01 0
1996-04-01 0
1996-07-01 0
1996-10-01 0
1997-01-01 0
1997-04-01 0
1997-07-01 11
1997-10-01 12
1998-01-01 61
1998-04-01 61
1998-07-01 263
1998-10-01 390
1999-01-01 315
1999-04-01 309
1999-07-01 212
1999-10-01 243
2000-01-01 231
2000-04-01 348
2000-07-01 240
2000-10-01 241
2001-01-01 337
2001-04-01 258
2001-07-01 512
2001-10-01 400
2002-01-01 292
2002-04-01 363
2002-07-01 153
2002-10-01 128
2003-01-01 132
2003-04-01 57
2003-07-01 0
2003-10-01 201
2004-01-01 195
2004-04-01 393
2004-07-01 399
2004-10-01 332
2005-01-01 326
2005-04-01 117
2005-07-01 116
2005-10-01 0
2006-01-01 0
2006-04-01 0
2006-07-01 0
2006-10-01 0
2007-01-01 0
2007-04-01 0
2007-07-01 51
2007-10-01 53
2008-01-01 60
2008-04-01 59
2008-07-01 0
2008-10-01 56
2009-01-01 115
2009-04-01 121
2009-07-01 419
2009-10-01 356
2010-01-01 337
2010-04-01 307
2010-07-01 68
2010-10-01 154
2011-01-01 92
2011-04-01 94
2011-07-01 5489
2011-10-01 5195
2012-01-01 5363
2012-04-01 5055
2012-07-01 20
2012-10-01 0
2013-01-01 50
2013-04-01 50
2013-07-01 304
2013-10-01 722
2014-01-01 676
2014-04-01 1005
2014-07-01 900
2014-10-01 579
2015-01-01 560
2015-04-01 513
2015-07-01 298
2015-10-01 385
2016-01-01 401
2016-04-01 170
2016-07-01 171
2016-10-01 153
2017-01-01 366
2017-04-01 313
2017-07-01 272
2017-10-01 512
2018-01-01 513
2018-04-01 494