Year US Dollars per Person 1995 2.569 1996 2.54 1997 2.027 1998 2.016 1999 2.598 2000 3.384 2001 2.623 2002 3.02 2003 3.994 2004 4.938 2005 5.136 2006 5.813 2007 7.525 2008 10.65 2009 14.29 2010 17.14