Year	current US$
1973	9999.99977648258
1976	49999.9988824129
1977	29999.999329447703
1979	9999.99977648258
1992	9999.99977648258
1995	19999.99955296516
1996	9999.99977648258
1997	69999.998435378
1998	69999.998435378
1999	59999.9986588955
2000	29999.999329447783
2001	19999.9995529652
2003	9999.99977648258