Year per Person 1965 90.82747 1966 108.63591 1967 108.6368 1968 132.0076 1969 142.32166 1970 156.69706 1971 192.10711 1972 189.71331 1973 177.53176 1974 167.56901 1975 148.16786 1976 145.39457 1977 129.33672 1978 103.92813 1979 93.13789 1980 80.86943 1981 66.08261 1982 54.71168 1983 48.55554 1984 45.45923 1985 41.92942 1986 49.86218 1987 47.78378 1988 45.72518 1989 54.10175 1990 57.84405 1991 63.20221 1992 56.75155 1993 51.91163 1994 49.92086 1995 45.87107 1996 45.81061 1997 45.21094 1998 44.13094 1999 40.23209 2000 39.45894 2001 35.89863 2002 32.08513 2003 33.72055 2004 32.29017 2005 29.63602 2006 27.52749 2007 23.09207 2008 20.50976 2009 16.46537 2010 16.122 2011 17.44369 2012 17.38676 2013 18.33169 2014 18.32239 2015 19.2456 2016 19.67396