Year current US$ 1993 12000000 1994 11000000 1995 15000000 1996 20000000 1997 25000000 1998 29000000 1999 28000000 2000 29000000 2001 30000000 2002 35000000 2003 40000000 2004 42000000 2005 40000000 2006 235000000 2007 249578160 2008 209974280 2009 211257375 2010 530185085.525062