Year per Person 1980 173.17972 1981 165.97753 1982 158.03593 1983 149.70118 1984 141.49177 1985 133.56876 1986 126.20221 1987 119.01966 1988 118.35801 1989 115.8064 1990 114.61709 1991 122.89522 1992 120.85606 1993 119.84341 1994 94.02285 1995 114.89641 1996 113.22135 1997 122.7731 1998 120.95637 1999 132.22555 2000 130.53952 2001 128.85162 2002 127.22907 2003 126.23631 2004 124.59225 2005 121.77742 2006 120.01274 2007 118.1805 2008 116.27989 2009 114.29615 2010 112.23326 2011 110.09366 2012 107.90413 2013 105.72932 2014 103.63735 2015 101.66653 2016 99.82748