Quarterly Billions of US Dollars
1987-01-01 0.052
1987-04-01 0.051
1987-07-01 0.051
1987-10-01 0.056
1988-01-01 0.054
1988-04-01 0.052
1988-07-01 0.024
1988-10-01 0.025
1989-01-01 0.023
1989-04-01 0.023
1989-07-01 0.023
1989-10-01 0.025
1990-01-01 0.000
1990-04-01 0.000
1990-07-01 0.000
1990-10-01 0.000
1991-01-01 0.000
1991-04-01 0.000
1991-07-01 0.000
1991-10-01 0.000
1992-01-01 0.000
1992-04-01 0.000
1992-07-01 0.000
1992-10-01 0.000
1993-01-01 0.000
1993-04-01 0.000
1993-07-01 0.000
1993-10-01 0.000
1994-01-01 0.000
1994-04-01 0.000
1994-07-01 0.000
1994-10-01 0.000
1995-01-01 0.000
1995-04-01 0.000
1995-07-01 0.000
1995-10-01 0.000
1996-01-01 0.000
1996-04-01 0.000
1996-07-01 0.000
1996-10-01 0.000
1997-01-01 0.000
1997-04-01 0.000
1997-07-01 0.000
1997-10-01 0.000
1998-01-01 0.000
1998-04-01 0.000
1998-07-01 0.000
1998-10-01 0.000
1999-01-01 0.000
1999-04-01 0.000
1999-07-01 0.000
1999-10-01 0.000
2000-01-01 0.000
2000-04-01 0.000
2000-07-01 0.000
2000-10-01 0.000
2001-01-01 0.000
2001-04-01 0.000
2001-07-01 0.000
2001-10-01 0.000
2002-01-01 0.000
2002-04-01 0.000
2002-07-01 0.000
2002-10-01 0.000
2003-01-01 0.000
2003-04-01 0.000
2003-07-01 0.000
2003-10-01 0.000
2004-01-01 0.000
2004-04-01 0.000
2004-07-01 0.000
2004-10-01 0.000
2005-01-01 0.000
2005-04-01 0.000
2005-07-01 0.000
2005-10-01 0.000
2006-01-01 0.000
2006-04-01 0.000
2006-07-01 0.000
2006-10-01 0.000
2007-01-01 0.000
2007-04-01 0.000
2007-07-01 0.000
2007-10-01 0.000
2008-01-01 0.000
2008-04-01 0.000
2008-07-01 0.000
2008-10-01 0.000
2009-01-01 0.000
2009-04-01 0.000
2009-07-01 0.000
2009-10-01 0.000
2010-01-01 0.000
2010-04-01 0.000
2010-07-01 0.000
2010-10-01 0.000
2011-01-01 0.000
2011-04-01 0.000
2011-07-01 0.000
2011-10-01 0.000
2012-01-01 0.000
2012-04-01 0.000
2012-07-01 0.000
2012-10-01 0.000
2013-01-01 0.000
2013-04-01 0.000
2013-07-01 0.000
2013-10-01 0.000
2014-01-01 0.000
2014-04-01 0.000
2014-07-01 0.000
2014-10-01 0.000
2015-01-01 0.000