Year	current US$
1977	779999.991878867
1980	729999.9929964535
1981	710000.0102072953
1982	1100000.0070780504
1983	1549999.993294476
1984	1179999.9848008156
1985	1189999.9771267178
1986	1070000.0226497645
1987	970000.0062584876
1988	750000.0167638059
1989	949999.9973922961
1990	850000.0052154051
1991	840000.0054389226
1992	2559999.9483674737
1993	1340000.0110268581
1994	1809999.996796251
1995	1900000.0208616247
1996	1379999.980330466
1997	1100000.008940697
1998	19999.993965029214
1999	709999.9953061345
2000	589999.9961256984
2001	469999.99694526213
2002	789999.9972432852
2003	49999.9988824129
2004	1399999.97615814
2005	1789999.96185303
2006	2150000.09536743
2007	2279999.97138977
2008	1830000.04291534
2009	0
2011	0
2012	-6175.99999532104
2013	1034.9999647587501