Year current US$ 1982 829999.983310699 1983 1210000.03814697 1984 379999.99523162795 1985 400000.00596046395 1986 490000.009536743 1987 10560000.4196167 1988 2190000.05722046 1989 2220000.02861023 1990 1659999.9666214 1991 1019999.98092651 1992 550000.011920929 1993 1490000.0095367401 1994 1440000.0572204601 1995 1009999.99046326 1996 1000000 1997 920000.016689301 2020 19999.9995529652 2021 19999.9995529652 2022 0