Quarterly Millions of US Dollars
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 75
1979-04-01 75
1979-07-01 75
1979-10-01 75
1980-01-01 50
1980-04-01 50
1980-07-01 50
1980-10-01 50
1981-01-01 0
1981-04-01 130
1981-07-01 132
1981-10-01 135
1982-01-01 284
1982-04-01 183
1982-07-01 178
1982-10-01 192
1983-01-01 41
1983-04-01 39
1983-07-01 38
1983-10-01 37
1984-01-01 116
1984-04-01 89
1984-07-01 123
1984-10-01 220
1985-01-01 157
1985-04-01 172
1985-07-01 144
1985-10-01 137
1986-01-01 205
1986-04-01 207
1986-07-01 212
1986-10-01 214
1987-01-01 159
1987-04-01 218
1987-07-01 394
1987-10-01 348
1988-01-01 335
1988-04-01 230
1988-07-01 53
1988-10-01 0
1989-01-01 0
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 10
1991-01-01 10
1991-04-01 10
1991-07-01 10
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 0
1993-07-01 461
1993-10-01 453
1994-01-01 519
1994-04-01 481
1994-07-01 935
1994-10-01 643
1995-01-01 330
1995-04-01 2654
1995-07-01 2730
1995-10-01 2726
1996-01-01 2923
1996-04-01 1072
1996-07-01 7334
1996-10-01 7469
1997-01-01 7286
1997-04-01 7294
1997-07-01 1189
1997-10-01 1156
1998-01-01 943
1998-04-01 908
1998-07-01 197
1998-10-01 27
1999-01-01 1027
1999-04-01 2577
1999-07-01 2755
1999-10-01 4797
2000-01-01 3786
2000-04-01 7674
2000-07-01 7377
2000-10-01 12069
2001-01-01 11376
2001-04-01 9354
2001-07-01 10417
2001-10-01 4143
2002-01-01 13919
2002-04-01 16806
2002-07-01 18345
2002-10-01 18799
2003-01-01 9095
2003-04-01 5469
2003-07-01 4246
2003-10-01 4611
2004-01-01 4103
2004-04-01 3672
2004-07-01 1970
2004-10-01 1788
2005-01-01 4507
2005-04-01 3933
2005-07-01 5215
2005-10-01 5190
2006-01-01 4465
2006-04-01 3657
2006-07-01 2328
2006-10-01 2309
2007-01-01 2415
2007-04-01 2717
2007-07-01 3256
2007-10-01 4192
2008-01-01 4699
2008-04-01 4892
2008-07-01 4198
2008-10-01 2977
2009-01-01 5019
2009-04-01 4675
2009-07-01 4771
2009-10-01 4726
2010-01-01 1546
2010-04-01 1546
2010-07-01 1546
2010-10-01 1546
2011-01-01 1262
2011-04-01 1561
2011-07-01 1539
2011-10-01 1528
2012-01-01 2022
2012-04-01 3177
2012-07-01 3216
2012-10-01 3246
2013-01-01 4750
2013-04-01 3761
2013-07-01 3761
2013-10-01 3761
2014-01-01 2468
2014-04-01 3237
2014-07-01 3141
2014-10-01 3079
2015-01-01 1003
2015-04-01 0
2015-07-01 4904
2015-10-01 4904
2016-01-01 5289
2016-04-01 8455
2016-07-01 4200
2016-10-01 6436
2017-01-01 6095
2017-04-01 3000
2017-07-01 3133
2017-10-01 133
2018-01-01 141
2018-04-01 550