Year Per Capita 1990 15740 1991 13480 1992 13660 1993 13760 1994 14250 1995 15060 1996 15850 1997 15780 1998 15710 1999 16000 2000 16590 2001 17150 2002 17570 2003 18260 2004 19100 2005 20350 2006 21770 2007 23010 2008 23750 2009 22700 2010 23390