Year Per Capita 1986 15640 1987 13890 1988 15250 1989 14540 1990 15620 1991 17780 1992 18350 1993 17820 1994 17270 1995 17180 1996 17110 1997 17270 1998 17490 1999 16730 2000 17030 2001 16590 2002 16090 2003 17590 2004 18370 2005 19550 2006 19930 2007 20360 2008 20660 2009 19820 2010 20190