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 0
1980-10-01 12
1981-01-01 12
1981-04-01 12
1981-07-01 12
1981-10-01 0
1982-01-01 0
1982-04-01 0
1982-07-01 0
1982-10-01 0
1983-01-01 25
1983-04-01 25
1983-07-01 25
1983-10-01 25
1984-01-01 0
1984-04-01 0
1984-07-01 0
1984-10-01 12
1985-01-01 40
1985-04-01 40
1985-07-01 41
1985-10-01 52
1986-01-01 25
1986-04-01 26
1986-07-01 39
1986-10-01 31
1987-01-01 44
1987-04-01 42
1987-07-01 62
1987-10-01 156
1988-01-01 175
1988-04-01 217
1988-07-01 289
1988-10-01 187
1989-01-01 151
1989-04-01 106
1989-07-01 0
1989-10-01 35
1990-01-01 63
1990-04-01 99
1990-07-01 241
1990-10-01 207
1991-01-01 524
1991-04-01 510
1991-07-01 377
1991-10-01 560
1992-01-01 395
1992-04-01 493
1992-07-01 590
1992-10-01 927
1993-01-01 983
1993-04-01 985
1993-07-01 1040
1993-10-01 710
1994-01-01 853
1994-04-01 1284
1994-07-01 1445
1994-10-01 1413
1995-01-01 662
1995-04-01 873
1995-07-01 1011
1995-10-01 1589
1996-01-01 2030
1996-04-01 2104
1996-07-01 2124
1996-10-01 2204
1997-01-01 2370
1997-04-01 2740
1997-07-01 3525
1997-10-01 3453
1998-01-01 3725
1998-04-01 4393
1998-07-01 4221
1998-10-01 5583
1999-01-01 5590
1999-04-01 5715
1999-07-01 5004
1999-10-01 4648
2000-01-01 5406
2000-04-01 5150
2000-07-01 5565
2000-10-01 5879
2001-01-01 5596
2001-04-01 5774
2001-07-01 6830
2001-10-01 6804
2002-01-01 6873
2002-04-01 7963
2002-07-01 7055
2002-10-01 7962
2003-01-01 8140
2003-04-01 9393
2003-07-01 9825
2003-10-01 9123
2004-01-01 9041
2004-04-01 7325
2004-07-01 7301
2004-10-01 6933
2005-01-01 8370
2005-04-01 9374
2005-07-01 9436
2005-10-01 10178
2006-01-01 10805
2006-04-01 11437
2006-07-01 13244
2006-10-01 12877
2007-01-01 13007
2007-04-01 12135
2007-07-01 10767
2007-10-01 11281
2008-01-01 10902
2008-04-01 10642
2008-07-01 9562
2008-10-01 7823
2009-01-01 7121
2009-04-01 6648
2009-07-01 7350
2009-10-01 8248
2010-01-01 9932
2010-04-01 12266
2010-07-01 12122
2010-10-01 13876
2011-01-01 13617
2011-04-01 14179
2011-07-01 15794
2011-10-01 17869
2012-01-01 18385
2012-04-01 17217
2012-07-01 15386
2012-10-01 12521
2013-01-01 10418
2013-04-01 15754
2013-07-01 19327
2013-10-01 22291
2014-01-01 23877
2014-04-01 18551
2014-07-01 16103
2014-10-01 16113
2015-01-01 16301
2015-04-01 18239
2015-07-01 17669
2015-10-01 18147
2016-01-01 18224
2016-04-01 22328
2016-07-01 23748
2016-10-01 20111
2017-01-01 20965
2017-04-01 18909
2017-07-01 18550
2017-10-01 19752
2018-01-01 22370
2018-04-01 24075