Year	current US$
1970	19999.9995529652
1971	90000.0035762787
1972	419999.986886978
1973	3809999.94277954
1974	1309999.9427795399
1975	-19999.9995529652
1976	1730000.01907349
1977	1070000.05245209
1978	9999.99977648258
1979	19999.9995529652
1980	-9999.99977648258
1981	409999.99642372096
1982	6389999.8664856
1983	419999.986886978
1984	9130000.11444092
1985	600000.023841858
1986	13260000.2288818
1987	5840000.15258789
1988	990000.009536743
1989	1340000.0333786
1990	1460000.03814697
1991	2190000.05722046
1992	2359999.89509583
1993	2029999.97138977
1994	1289999.96185303
1995	-2490000.00953674
1996	2349999.90463257
1997	-1360000.01430511
1998	5210000.03814697
1999	-720000.028610229
2000	-639999.985694885
2001	1389999.98569489
2002	910000.026226044
2003	1330000.04291534
2004	1090000.0333786
2005	740000.009536743
2006	910000.026226044
2007	259999.990463257
2008	280000.001192093
2009	-5150000.09536743
2010	239999.994635582
2011	140000.000596046
2012	639999.985694885
2020	90000.0035762787
2021	70000.0002980232