Year US Dollars per Person 1995 2.691 1996 2.861 1997 3.861 1998 4.063 1999 3.833 2000 4.382 2001 4.773 2002 4.608 2003 5.879 2004 5.183 2005 6.871 2006 13.8 2007 14.96 2008 16.51 2009 17.94 2010 20.81