Quarterly Millions of US Dollars
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 30
1980-10-01 55
1981-01-01 55
1981-04-01 109
1981-07-01 98
1981-10-01 98
1982-01-01 159
1982-04-01 128
1982-07-01 109
1982-10-01 104
1983-01-01 37
1983-04-01 12
1983-07-01 27
1983-10-01 15
1984-01-01 15
1984-04-01 40
1984-07-01 25
1984-10-01 55
1985-01-01 141
1985-04-01 116
1985-07-01 118
1985-10-01 146
1986-01-01 67
1986-04-01 73
1986-07-01 78
1986-10-01 2
1987-01-01 2
1987-04-01 2
1987-07-01 2
1987-10-01 82
1988-01-01 110
1988-04-01 101
1988-07-01 167
1988-10-01 295
1989-01-01 274
1989-04-01 274
1989-07-01 206
1989-10-01 7
1990-01-01 0
1990-04-01 0
1990-07-01 60
1990-10-01 60
1991-01-01 110
1991-04-01 160
1991-07-01 100
1991-10-01 175
1992-01-01 125
1992-04-01 75
1992-07-01 75
1992-10-01 0
1993-01-01 0
1993-04-01 0
1993-07-01 214
1993-10-01 165
1994-01-01 288
1994-04-01 260
1994-07-01 260
1994-10-01 261
1995-01-01 242
1995-04-01 242
1995-07-01 444
1995-10-01 444
1996-01-01 721
1996-04-01 908
1996-07-01 871
1996-10-01 819
1997-01-01 650
1997-04-01 585
1997-07-01 385
1997-10-01 288
1998-01-01 200
1998-04-01 815
1998-07-01 967
1998-10-01 1082
1999-01-01 1098
1999-04-01 538
1999-07-01 1012
1999-10-01 954
2000-01-01 1029
2000-04-01 2027
2000-07-01 1690
2000-10-01 2699
2001-01-01 2653
2001-04-01 3666
2001-07-01 3921
2001-10-01 2734
2002-01-01 2616
2002-04-01 1342
2002-07-01 782
2002-10-01 782
2003-01-01 1603
2003-04-01 1265
2003-07-01 1924
2003-10-01 2369
2004-01-01 1767
2004-04-01 1966
2004-07-01 2057
2004-10-01 3548
2005-01-01 3674
2005-04-01 3195
2005-07-01 3273
2005-10-01 2592
2006-01-01 3486
2006-04-01 4419
2006-07-01 4245
2006-10-01 4336
2007-01-01 2889
2007-04-01 3653
2007-07-01 4072
2007-10-01 4109
2008-01-01 5393
2008-04-01 7892
2008-07-01 8010
2008-10-01 7295
2009-01-01 5786
2009-04-01 4922
2009-07-01 5934
2009-10-01 5751
2010-01-01 6616
2010-04-01 6236
2010-07-01 7804
2010-10-01 9993
2011-01-01 11014
2011-04-01 14545
2011-07-01 15885
2011-10-01 15280
2012-01-01 15350
2012-04-01 13634
2012-07-01 13363
2012-10-01 15537
2013-01-01 17379
2013-04-01 20303
2013-07-01 25058
2013-10-01 29096
2014-01-01 28935
2014-04-01 30566
2014-07-01 32740
2014-10-01 27513
2015-01-01 24036
2015-04-01 25444
2015-07-01 21337
2015-10-01 18945
2016-01-01 21182
2016-04-01 18438
2016-07-01 18844
2016-10-01 15346
2017-01-01 17712
2017-04-01 19038
2017-07-01 20458
2017-10-01 20267
2018-01-01 27170
2018-04-01 28974