Quarterly Millions of US Dollars
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 25
1979-04-01 25
1979-07-01 25
1979-10-01 25
1980-01-01 30
1980-04-01 87
1980-07-01 85
1980-10-01 81
1981-01-01 48
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 50
1984-07-01 150
1984-10-01 228
1985-01-01 229
1985-04-01 179
1985-07-01 84
1985-10-01 0
1986-01-01 0
1986-04-01 0
1986-07-01 0
1986-10-01 4
1987-01-01 4
1987-04-01 4
1987-07-01 4
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 0
1989-07-01 0
1989-10-01 0
1990-01-01 0
1990-04-01 0
1990-07-01 0
1990-10-01 111
1991-01-01 178
1991-04-01 145
1991-07-01 151
1991-10-01 80
1992-01-01 361
1992-04-01 365
1992-07-01 371
1992-10-01 510
1993-01-01 305
1993-04-01 296
1993-07-01 429
1993-10-01 315
1994-01-01 606
1994-04-01 634
1994-07-01 520
1994-10-01 588
1995-01-01 651
1995-04-01 1044
1995-07-01 1577
1995-10-01 1831
1996-01-01 1804
1996-04-01 1512
1996-07-01 1116
1996-10-01 1103
1997-01-01 1375
1997-04-01 1683
1997-07-01 1478
1997-10-01 1709
1998-01-01 1613
1998-04-01 1334
1998-07-01 2104
1998-10-01 2337
1999-01-01 2168
1999-04-01 2540
1999-07-01 2251
1999-10-01 1945
2000-01-01 1010
2000-04-01 826
2000-07-01 446
2000-10-01 1223
2001-01-01 1325
2001-04-01 1204
2001-07-01 1470
2001-10-01 932
2002-01-01 869
2002-04-01 1360
2002-07-01 1891
2002-10-01 2164
2003-01-01 3049
2003-04-01 3024
2003-07-01 2429
2003-10-01 2370
2004-01-01 1005
2004-04-01 381
2004-07-01 724
2004-10-01 2627
2005-01-01 2272
2005-04-01 3430
2005-07-01 2924
2005-10-01 1381
2006-01-01 1395
2006-04-01 100
2006-07-01 100
2006-10-01 252
2007-01-01 466
2007-04-01 446
2007-07-01 484
2007-10-01 260
2008-01-01 2016
2008-04-01 2444
2008-07-01 3558
2008-10-01 3459
2009-01-01 2955
2009-04-01 2791
2009-07-01 4464
2009-10-01 4744
2010-01-01 4286
2010-04-01 5121
2010-07-01 5045
2010-10-01 7641
2011-01-01 6929
2011-04-01 5410
2011-07-01 4565
2011-10-01 2641
2012-01-01 4577
2012-04-01 4058
2012-07-01 3455
2012-10-01 3979
2013-01-01 3319
2013-04-01 4431
2013-07-01 8075
2013-10-01 6594
2014-01-01 6808
2014-04-01 5534
2014-07-01 2612
2014-10-01 3325
2015-01-01 1688
2015-04-01 2486
2015-07-01 4128
2015-10-01 3664
2016-01-01 3055
2016-04-01 3725
2016-07-01 3717
2016-10-01 3211
2017-01-01 5497
2017-04-01 6319
2017-07-01 4674
2017-10-01 4472
2018-01-01 5512
2018-04-01 4303