Year	current US$
1973	9999.99977648258
1974	29999.999329447703
1975	9999.99977648258
1976	50000.0007450581
1977	9999.99977648258
1978	119999.997317791
1979	159999.99642372102
1980	50000.0007450581
1981	109999.999403954
1982	129999.995231628
1983	129999.995231628
1984	140000.000596046
1985	219999.998807907
1986	310000.002384186
1987	250000
1988	209999.993443489
1989	230000.004172325
1990	250000
1991	439999.997615814
1992	419999.986886978
1993	529999.971389771
1994	360000.01430511504
1995	790000.021457672
1996	340000.00357627904
1997	620000.004768372
1998	409999.99642372096
1999	610000.014305115
2000	330000.013113022
2001	430000.00715255697
2002	509999.99046325695
2003	540000.021457672
2004	300000.011920929