Quarterly Millions of US Dollars
1984-07-01 0
1984-10-01 0
1985-01-01 0
1985-04-01 0
1985-07-01 0
1985-10-01 0
1986-01-01 50
1986-04-01 50
1986-07-01 50
1986-10-01 50
1987-01-01 0
1987-04-01 0
1987-07-01 0
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 0
1991-01-01 0
1991-04-01 0
1991-07-01 0
1991-10-01 0
1992-01-01 0
1992-04-01 100
1992-07-01 100
1992-10-01 100
1993-01-01 147
1993-04-01 49
1993-07-01 147
1993-10-01 143
1994-01-01 349
1994-04-01 363
1994-07-01 738
1994-10-01 737
1995-01-01 464
1995-04-01 464
1995-07-01 1035
1995-10-01 1061
1996-01-01 998
1996-04-01 1042
1996-07-01 0
1996-10-01 70
1997-01-01 169
1997-04-01 274
1997-07-01 425
1997-10-01 847
1998-01-01 404
1998-04-01 610
1998-07-01 715
1998-10-01 761
1999-01-01 775
1999-04-01 861
1999-07-01 1675
1999-10-01 1406
2000-01-01 1456
2000-04-01 1678
2000-07-01 611
2000-10-01 1640
2001-01-01 1465
2001-04-01 1530
2001-07-01 1530
2001-10-01 1130
2002-01-01 1326
2002-04-01 2283
2002-07-01 2278
2002-10-01 2251
2003-01-01 3443
2003-04-01 1936
2003-07-01 2238
2003-10-01 2615
2004-01-01 2283
2004-04-01 2136
2004-07-01 5725
2004-10-01 5704
2005-01-01 5265
2005-04-01 6691
2005-07-01 3701
2005-10-01 4560
2006-01-01 5951
2006-04-01 8344
2006-07-01 10478
2006-10-01 10086
2007-01-01 9797
2007-04-01 8712
2007-07-01 9011
2007-10-01 10327
2008-01-01 13790
2008-04-01 13966
2008-07-01 13505
2008-10-01 15682
2009-01-01 16744
2009-04-01 18082
2009-07-01 18908
2009-10-01 16815
2010-01-01 13698
2010-04-01 13599
2010-07-01 14865
2010-10-01 14659
2011-01-01 15908
2011-04-01 17654
2011-07-01 13783
2011-10-01 15068
2012-01-01 20604
2012-04-01 19580
2012-07-01 26064
2012-10-01 25048
2013-01-01 35713
2013-04-01 33791
2013-07-01 33180
2013-10-01 31242
2014-01-01 18976
2014-04-01 20091
2014-07-01 21124
2014-10-01 25433
2015-01-01 22339
2015-04-01 20217
2015-07-01 18237
2015-10-01 14814
2016-01-01 25214
2016-04-01 36328
2016-07-01 35381
2016-10-01 40799
2017-01-01 41163
2017-04-01 39236
2017-07-01 46690
2017-10-01 44420
2018-01-01 33698
2018-04-01 27586