Year per Person 1980 0.91495 1981 0.9124 1982 1.00114 1983 1.03533 1984 1.48685 1985 1.52113 1986 1.53791 1987 1.62757 1988 1.91645 1989 1.82574 1990 1.82529 1991 1.96899 1992 1.53449 1993 1.53348 1994 1.8033 1995 1.83924 1996 1.80398 1997 1.5346 1998 1.51737 1999 1.51667 2000 1.42355 2001 1.34646 2002 1.30756 2003 1.18488 2004 1.07894 2005 1.06618 2006 1.04004 2007 1.04974 2008 1.0763 2009 1.20753 2010 1.32395 2011 1.31853 2012 1.41837 2013 1.37945 2014 1.4694 2015 1.41424 2016 1.24068