Quarterly Millions of US Dollars
1967-04-01 0
1967-07-01 0
1967-10-01 0
1968-01-01 0
1968-04-01 0
1968-07-01 0
1968-10-01 0
1969-01-01 0
1969-04-01 0
1969-07-01 0
1969-10-01 0
1970-01-01 0
1970-04-01 0
1970-07-01 0
1970-10-01 0
1971-01-01 0
1971-04-01 0
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 10
1977-07-01 11
1977-10-01 12
1978-01-01 13
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 18
1979-07-01 19
1979-10-01 19
1980-01-01 30
1980-04-01 100
1980-07-01 100
1980-10-01 99
1981-01-01 111
1981-04-01 100
1981-07-01 100
1981-10-01 178
1982-01-01 176
1982-04-01 99
1982-07-01 98
1982-10-01 25
1983-01-01 0
1983-04-01 98
1983-07-01 97
1983-10-01 130
1984-01-01 131
1984-04-01 182
1984-07-01 230
1984-10-01 546
1985-01-01 1407
1985-04-01 1463
1985-07-01 1470
1985-10-01 1550
1986-01-01 697
1986-04-01 1048
1986-07-01 1116
1986-10-01 893
1987-01-01 1664
1987-04-01 1150
1987-07-01 1626
1987-10-01 3103
1988-01-01 3710
1988-04-01 4418
1988-07-01 3876
1988-10-01 4537
1989-01-01 3393
1989-04-01 3127
1989-07-01 3333
1989-10-01 3494
1990-01-01 3396
1990-04-01 3375
1990-07-01 3760
1990-10-01 1810
1991-01-01 2763
1991-04-01 2654
1991-07-01 2539
1991-10-01 3093
1992-01-01 2359
1992-04-01 4135
1992-07-01 5334
1992-10-01 4563
1993-01-01 4104
1993-04-01 3186
1993-07-01 4443
1993-10-01 6497
1994-01-01 5999
1994-04-01 6189
1994-07-01 5936
1994-10-01 5230
1995-01-01 4330
1995-04-01 6342
1995-07-01 6970
1995-10-01 7000
1996-01-01 5787
1996-04-01 5461
1996-07-01 5390
1996-10-01 7154
1997-01-01 10339
1997-04-01 8426
1997-07-01 9802
1997-10-01 8286
1998-01-01 10780
1998-04-01 10509
1998-07-01 11648
1998-10-01 12384
1999-01-01 5737
1999-04-01 8066
1999-07-01 6109
1999-10-01 6020
2000-01-01 9458
2000-04-01 17260
2000-07-01 15203
2000-10-01 16551
2001-01-01 16434
2001-04-01 18883
2001-07-01 19212
2001-10-01 19796
2002-01-01 17307
2002-04-01 22875
2002-07-01 28327
2002-10-01 33879
2003-01-01 43052
2003-04-01 43922
2003-07-01 42612
2003-10-01 44332
2004-01-01 48572
2004-04-01 52887
2004-07-01 51435
2004-10-01 53624
2005-01-01 49726
2005-04-01 46321
2005-07-01 42902
2005-10-01 52564
2006-01-01 51840
2006-04-01 43874
2006-07-01 58202
2006-10-01 49376
2007-01-01 52313
2007-04-01 70877
2007-07-01 86441
2007-10-01 93914
2008-01-01 109152
2008-04-01 105506
2008-07-01 81888
2008-10-01 76837
2009-01-01 89838
2009-04-01 96780
2009-07-01 91347
2009-10-01 95967
2010-01-01 98756
2010-04-01 99711
2010-07-01 119284
2010-10-01 106889
2011-01-01 145499
2011-04-01 151211
2011-07-01 152358
2011-10-01 165619
2012-01-01 144581
2012-04-01 122716
2012-07-01 115712
2012-10-01 102323
2013-01-01 104030
2013-04-01 116107
2013-07-01 139903
2013-10-01 128982
2014-01-01 111189
2014-04-01 93004
2014-07-01 79366
2014-10-01 85837
2015-01-01 90609
2015-04-01 94685
2015-07-01 103135
2015-10-01 98765
2016-01-01 85703
2016-04-01 90850
2016-07-01 73011
2016-10-01 70327
2017-01-01 76197
2017-04-01 74471
2017-07-01 73451
2017-10-01 64797
2018-01-01 61913
2018-04-01 58651