Year US Dollars, Sum Over Component Sub-periods 1993-01-01 619750000 1994-01-01 0 1995-01-01 45590000 1996-01-01 29480000 1997-01-01 0 1998-01-01 82850000 1999-01-01 173830000 2000-01-01 106570000 2001-01-01 85120000 2002-01-01 127830000 2003-01-01 193270000 2004-01-01 151160000 2005-01-01 15890000 2006-01-01 37630000 2007-01-01 672630000 2008-01-01 1218600000 2009-01-01 728540000 2010-01-01 1412020000 2011-01-01 1271390000 2012-01-01 1859240000 2013-01-01 1719920000