Year	current US$
1960	29999.999329447703
1961	39999.9991059303
1962	39999.9991059303
1963	79999.9982118607
1964	129999.995231628
1965	280000.001192093
1967	259999.990463257
1968	209999.993443489
1969	100000.00149011599
1970	29999.999329447703
1971	1740000.0095367401
1972	779999.971389771
1973	3359999.89509583
1974	3799999.95231628
1975	9329999.92370605
1976	9029999.73297119
1977	11670000.076293899
1978	13680000.3051758
1979	35369998.9318848
1980	23110000.6103516
1981	22729999.5422363
1982	25209999.084472697
1983	28260000.2288818
1984	32299999.2370605
1985	33259998.321533203
1986	23969999.3133545
1987	19940000.5340576
1988	7179999.82833862
1989	6289999.96185303
1990	10569999.6948242
1991	13430000.3051758
1992	12109999.6566772
1993	11989999.7711182
1994	8510000.22888184
1995	12359999.6566772
1996	12470000.2670288
1997	13880000.1144409
1998	12890000.3433228
1999	14260000.2288818
2000	16690000.534057599
2001	18270000.4577637
2002	15029999.7329712
2003	13489999.7711182
2004	22950000.762939498
2005	51720001.220703095
2006	20559999.4659424
2007	23069999.6948242
2008	15489999.7711182
2009	18309999.4659424
2010	11050000.1907349
2011	12949999.8092651
2012	4780000.20980835
2013	3789999.96185303
2014	6369999.88555908
2015	1799999.95231628
2016	2240000.00953674
2017	2170000.07629395
2018	2039999.96185303
2019	2559999.94277954
2020	2029999.97138977
2021	2609999.89509583
2022	2910000.08583069
