Year	current US$
1970	1689999.9864399426
1971	1739999.983459709
1972	1819999.9965727308
1973	2050000.0044703474
1974	2730000.022798775
1975	2730000.000447033
1976	3880000.0250339485
1977	5850000.012665986
1978	6449999.963864682
1979	6190000.0255554905
1980	2769999.9976903186
1981	10710000.043734906
1982	10980000.000447033
1983	13130000.036209818
1984	11410000.026226042
1985	15879999.870434403
1986	16160000.000149013
1987	20070000.015199196
1988	15410000.016912814
1989	21370000.07927418
1990	20900000.002235174
1991	27140000.060200695
1992	21100000.096485015
1993	31780000.019818567
1994	25309999.93346633
1995	52110000.01057984
1996	22499999.94412065
1997	32999999.932944775
1998	23660000.1025945
1999	35359999.79637563
2000	38149999.82528387
2001	27089999.951422203
2002	34600000.07972123
2003	39549999.85359611
2004	35259999.95507298
2005	44849999.750033006
2006	27569999.884814
2007	34680000.00342727
2008	9789999.993517995