Year	current US$
1983	200000.00298023198
1990	59999.9986588955
1991	150000.005960464
1992	150000.005960464
1993	170000.00178813902
1994	170000.00178813902
1995	200000.00298023198
1996	209999.993443489
1997	189999.99761581398
1998	159999.99642372102