Year US Dollars, Sum Over Component Sub-periods 1985-01-01 50161930000.00000 1986-01-01 84522720000.00000 1987-01-01 84262430000.00000 1988-01-01 79183170000.00000 1989-01-01 63137170000.00000 1990-01-01 44708560000.00000 1991-01-01 68222710000.00001 1992-01-01 112375210000.00000 1993-01-01 131944489999.99998 1994-01-01 130516360000.00000 1995-01-01 110414690000.00000 1996-01-01 65736950000.00000 1997-01-01 96975480000.00000 1998-01-01 118627610000.00000 1999-01-01 114605570000.00000 2000-01-01 119399390000.00000 2001-01-01 87685760000.00000 2002-01-01 112887360000.00000 2003-01-01 135995329999.99998 2004-01-01 172158410000.00000 2005-01-01 166136820000.00000 2006-01-01 171151260000.00000 2007-01-01 211746220000.00000 2008-01-01 161156770000.00000 2009-01-01 146792490000.00000 2010-01-01 203828260000.00000 2011-01-01 119824230000.00000 2012-01-01 60435830000.00000 2013-01-01 33874650000.00000