Year per Person 1980 66.18114 1981 69.73379 1982 71.17216 1983 72.56136 1984 74.90037 1985 79.1743 1986 80.43679 1987 81.11191 1988 82.06766 1989 99.74308 1990 103.99179 1991 7.16242 1992 7.06758 1993 10.06691 1994 11.36784 1995 12.198 1996 11.64596