Year US Dollars, Sum Over Component Sub-periods 1993-01-01 156550000 1994-01-01 214740000 1995-01-01 199250000 1996-01-01 110610000 1997-01-01 128380000 1998-01-01 567630000 1999-01-01 218640000 2000-01-01 330020000 2001-01-01 337580000 2002-01-01 157110000 2003-01-01 773390000 2004-01-01 688570000 2005-01-01 2177430000 2006-01-01 690730000 2007-01-01 969540000 2008-01-01 616830000 2009-01-01 292710000 2010-01-01 1457730000 2011-01-01 1715890000