Quarterly Millions of US Dollars
1992-07-01 200
1992-10-01 200
1993-01-01 350
1993-04-01 350
1993-07-01 350
1993-10-01 350
1994-01-01 550
1994-04-01 550
1994-07-01 550
1994-10-01 750
1995-01-01 950
1995-04-01 950
1995-07-01 950
1995-10-01 950
1996-01-01 950
1996-04-01 950
1996-07-01 950
1996-10-01 950
1997-01-01 950
1997-04-01 950
1997-07-01 950
1997-10-01 950
1998-01-01 950
1998-04-01 1060
1998-07-01 1060
1998-10-01 1060
1999-01-01 1060
1999-04-01 1060
1999-07-01 1060
1999-10-01 2060
2000-01-01 1910
2000-04-01 3060
2000-07-01 3060
2000-10-01 3060
2001-01-01 3060
2001-04-01 3060
2001-07-01 3060
2001-10-01 3060
2002-01-01 3060
2002-04-01 3660
2002-07-01 3460
2002-10-01 3460
2003-01-01 2860
2003-04-01 2860
2003-07-01 2860
2003-10-01 3960
2004-01-01 3760
2004-04-01 3760
2004-07-01 3760
2004-10-01 3560
2005-01-01 5910
2005-04-01 5800
2005-07-01 5800
2005-10-01 6150
2006-01-01 6150
2006-04-01 6294
2006-07-01 9209
2006-10-01 9209
2007-01-01 10046
2007-04-01 10049
2007-07-01 10053
2007-10-01 10059
2008-01-01 10245
2008-04-01 15287
2008-07-01 16926
2008-10-01 16927
2009-01-01 18951
2009-04-01 19870
2009-07-01 19903
2009-10-01 20388
2010-01-01 20060
2010-04-01 19981
2010-07-01 21071
2010-10-01 21202
2011-01-01 21857
2011-04-01 23979
2011-07-01 23918
2011-10-01 23906
2012-01-01 20284
2012-04-01 20284
2012-07-01 20319
2012-10-01 19986
2013-01-01 19386
2013-04-01 19179
2013-07-01 20085
2013-10-01 19421
2014-01-01 19421
2014-04-01 18267
2014-07-01 17537
2014-10-01 17887
2015-01-01 16522
2015-04-01 16400
2015-07-01 16350
2015-10-01 16329
2016-01-01 16062
2016-04-01 13388
2016-07-01 13311
2016-10-01 13671
2017-01-01 9224
2017-04-01 9276
2017-07-01 9683
2017-10-01 9693
2018-01-01 8934
2018-04-01 16100