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
1985-01-01 233
1985-04-01 184
1985-07-01 88
1985-10-01 5
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 20
1989-10-01 20
1990-01-01 20
1990-04-01 20
1990-07-01 0
1990-10-01 111
1991-01-01 195
1991-04-01 162
1991-07-01 168
1991-10-01 110
1992-01-01 374
1992-04-01 378
1992-07-01 384
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 1535
1997-10-01 1765
1998-01-01 1667
1998-04-01 1441
1998-07-01 2160
1998-10-01 2337
1999-01-01 2168
1999-04-01 2540
1999-07-01 2265
1999-10-01 1958
2000-01-01 1023
2000-04-01 839
2000-07-01 457
2000-10-01 1306
2001-01-01 1404
2001-04-01 1315
2001-07-01 1579
2001-10-01 969
2002-01-01 906
2002-04-01 1360
2002-07-01 1891
2002-10-01 2164
2003-01-01 3049
2003-04-01 3424
2003-07-01 2683
2003-10-01 2612
2004-01-01 1350
2004-04-01 326
2004-07-01 1014
2004-10-01 2947
2005-01-01 2471
2005-04-01 3615
2005-07-01 2966
2005-10-01 1422
2006-01-01 1437
2006-04-01 144
2006-07-01 100
2006-10-01 252
2007-01-01 466
2007-04-01 446
2007-07-01 484
2007-10-01 282
2008-01-01 2040
2008-04-01 2628
2008-07-01 3724
2008-10-01 4336
2009-01-01 3793
2009-04-01 3543
2009-07-01 5261
2009-10-01 4881
2010-01-01 4415
2010-04-01 5299
2010-07-01 5227
2010-10-01 7707
2011-01-01 7000
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 6890
2017-07-01 5265
2017-10-01 5072
2018-01-01 6128
2018-04-01 4303