Year Per 100 People 1960 0 1965 0 1970 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 1.54337 1994 4.56528 1995 5.01555 1996 5.98265 1997 7.45749 1998 8.46108 1999 9.96016 2000 11.95576 2001 14.9224 2010 61.84539 2011 65.6348 2012 64.89788 2015 83.48135 2016 87.24773