Year 2010 = 100 1980 78.8643533123028 1981 82.2555205047319 1982 88.4069400630915 1983 89.1955835962145 1984 96.5299684542587 1985 98.2649842271293 1986 98.2649842271293 1987 98.3438485804416 1988 98.1072555205047 1989 95.4258675078864 1990 100 1991 168.927444794953 1992 177.839116719243