Year per Person 1980 120.91248 1981 116.15913 1982 112.55023 1983 110.03952 1984 107.12099 1985 104.41128 1986 101.79741 1987 98.86567 1988 96.55451 1989 95.32873 1990 107.30517 1991 105.23735 1992 103.28196 1993 100.05039 1994 98.75386 1995 95.91248 1996 94.24892 1997 94.51582 1998 91.36811 1999 88.11581 2000 84.79995 2001 82.45915 2002 79.67981 2003 75.76222 2004 73.35523 2005 70.11541 2006 66.52465 2007 63.99809 2008 61.69572 2009 63.5367 2010 59.40688 2011 55.85409 2012 43.2302 2013 40.48309 2014 35.95395 2015 37.01644 2016 36.91004