Year Per Capita 1990 15530 1991 13870 1992 13040 1993 13810 1994 14620 1995 15500 1996 16020 1997 16790 1998 17420 1999 18420 2000 19180 2001 19680 2002 20430 2003 21100 2004 22060 2005 22910 2006 24330 2007 26200 2008 27130 2009 24540 2010 24900