Year	current US$
1963	159999.99642372102
1964	1690000.0572204601
1965	810000.002384186
1967	1019999.98092651
1968	1309999.9427795399
1969	2759999.99046326
1970	3869999.8855590797
1971	2309999.94277954
1972	4719999.79019165
1973	9079999.92370605
1974	11899999.6185303
1975	13390000.3433228
1976	11619999.8855591
1977	14270000.4577637
1978	7090000.15258789
1979	7280000.20980835
1980	6199999.80926514
1981	1620000.00476837
1982	620000.004768372
1983	1570000.05245209
1984	1049999.95231628
1985	29999.999329447703
1986	4420000.07629395
1987	-479999.989271164
1988	1620000.00476837
1989	-829999.983310699
1990	18950000.762939498
1991	7780000.20980835
1992	7289999.96185303
1993	2210000.03814697
1994	7360000.1335144
1995	1179999.94754791
1996	1169999.95708466
1997	509999.99046325695
1998	419999.986886978
1999	1509999.9904632599
2000	389999.98569488496
2001	379999.99523162795
2002	100000.00149011599
2003	600000.023841858
2004	629999.995231628
2005	500000
2006	730000.019073486
2007	860000.014305115
2008	100000.00149011599
2009	550000.011920929
2011	7760000.228881841
2012	4369999.88555908
2013	5289999.96185303
2014	5809999.94277954
2015	3630000.1144409203
2016	1350000.02384186
2017	2609999.89509583
2018	2819999.9332428
2019	1259999.9904632599
2020	1490000.0095367401
2021	2539999.96185303
2022	1309999.9427795399