Year	current US$
1969	259999.990463257
1970	439999.997615814
1971	519999.980926514
1972	550000.011920929
1973	689999.997615814
1974	769999.980926514
1975	569999.992847443
1976	1679999.94754791
1977	2029999.97138977
1978	2309999.94277954
1979	1509999.9904632599
1980	389999.98569488496
1981	1909999.9666214
1982	769999.980926514
1983	2910000.08583069
1984	1100000.02384186
1985	3420000.07629395
1986	3259999.99046326
1987	3720000.02861023
1988	2359999.89509583
1989	3400000.09536743
1990	4239999.771118159
1991	4539999.96185303
1992	2119999.8855590797
1993	4380000.11444092
1994	2319999.9332428
1995	7480000.01907349
1996	1759999.9904632599
1997	3660000.08583069
1998	2000000
1999	3839999.91416931
2000	3349999.90463257
2001	6000000
2002	4090000.1525878897
2003	4909999.84741211
2004	4570000.17166138
2005	5150000.09536743
2006	2940000.05722046
2007	5340000.15258789
2008	1539999.96185303