Year	current US$
1960	0
1961	0
1962	0
1963	570000.02078712
1964	129999.99709427402
1965	5279999.87453222
1966	800000.097602606
1967	-1629999.95052814
1968	169999.996200204
1969	-180000.00715255702
1970	4920000.07629395
1971	-569999.974220991
1972	149999.998509884
1973	29999.999329447703
1974	400000.009685755
1975	269999.94367361104
1976	1540000.01773238
1977	2210000.00461936
1978	9909999.69094992
1979	13860000.3607571
1980	70670000.6406754
1981	45970000.628382005
1982	22280000.9604543
1983	25509999.6831268
1984	17389999.9242276
1985	12099999.8915941
1986	6399999.86812472
1987	2179999.98293817
1988	26810000.5276501
1989	59399998.1340021
1990	65279999.608173996
1991	49230001.3825297
1992	-65859998.79986051
1993	-41659998.8602102
1994	-46919999.9999255
1995	39150000.3691763
1996	36449999.4795769
1997	20910000.3428757
1998	23759999.8880178
1999	18409999.9014288
2000	23420000.7095933
2001	24639999.987557497
2002	10220000.0025332
2003	11050000.088289399
2004	13719999.890774501
2005	18889999.970793698
2006	19160000.3428757
2007	29539999.600499902
2008	37659999.8883903
2009	24590000.1842529
2010	26040000.3120303
2011	34569999.8196214
2012	29629999.3693829
2013	68469998.3689934
2014	131869996.42849
2015	27050000.755116303
2016	19240000.2349168
2017	25430000.1692027
2018	29809999.916702498
2019	23039999.9860674
2020	19040000.2412498
2021	25340000.143274702
2022	24489999.949932102