Year US Dollars per Person 1995 4.153 1996 4.551 1997 4.479 1998 4.976 1999 5.469 2000 4.32 2001 4.105 2002 5.56 2003 8.174 2004 12.15 2005 15.75 2006 14.87 2007 17.96 2008 21.56 2009 19.31 2010 20.27