Year per Person 1965 0.00501 1966 0.00488 1967 0.00476 1968 0.01861 1969 0.04076 1970 0.0796 1971 0.29799 1972 0.39342 1973 0.37502 1974 0.32598 1975 0.38495 1976 0.64162 1977 0.68354 1978 0.78633 1979 1.00095 1980 0.95825 1981 0.87549 1982 1.00369 1983 1.24121 1984 1.40643 1985 1.36291 1986 1.48875 1987 1.42819 1988 1.51072 1989 1.59518 1990 1.63818 1991 1.6606 1992 1.64437 1993 1.56846 1994 1.55672 1995 1.62586 1996 1.60745 1997 1.55333 1998 1.53856 1999 1.43064 2000 1.4449 2001 1.37264 2002 1.41226 2003 1.43341 2004 1.44104 2005 1.34941 2006 1.25014 2007 1.2711 2008 1.25499 2009 1.16658 2010 1.15924 2011 1.02566 2012 1.021 2013 0.96046 2014 0.98177 2015 1.05005 2016 1.04693