Year US Dollars per Person 1995 4.925 1996 5.358 1997 5.659 1998 6.117 1999 6.323 2000 6.466 2001 7.213 2002 6.825 2003 8.146 2004 8.373 2005 9.838 2006 15.35 2007 23.35 2008 23.8 2009 28.95 2010 31.36