Year per Person 1965 0.03047 1966 0.03823 1967 0.08692 1968 0.15769 1969 0.17708 1970 0.67777 1971 1.16591 1972 1.22435 1973 1.51219 1974 1.47701 1975 1.56328 1976 1.58211 1977 1.65524 1978 1.62069 1979 1.60821 1980 1.49081 1981 1.4335 1982 1.39445 1983 1.33817 1984 1.70999 1985 1.95065 1986 1.7148 1987 1.79256 1988 1.67316 1989 1.55321 1990 1.77655 1991 1.65662 1992 1.61261 1993 1.48704 1994 1.58354 1995 1.4751 1996 1.53604 1997 1.61299 1998 1.51111 1999 1.45631 2000 1.94547 2001 1.78119 2002 1.75131 2003 1.49886 2004 1.29248 2005 1.2514 2006 1.14273 2007 1.16835 2008 1.13047 2009 1.02921 2010 1.10895 2011 0.95766 2012 0.93695 2013 0.76926 2014 0.81343 2015 0.73182 2016 0.64383