Year	current US$
1971	39999.9991059304
1972	1410000.0243633976
1973	5290000.1853704415
1974	1169999.9887496228
1975	1839999.9756365977
1976	339999.996125698
1977	-9.458744898438454E-11
1978	-150000.00409781915
1979	400000.0115484006
1980	1189999.9585002663
1981	3229999.8849630374
1982	4960000.019520516
1983	6879999.972879884
1984	6189999.993890526
1985	8250000.098720187
1986	9930000.087246303
1987	12269999.803975232
1988	26309999.205172073
1989	22209999.22789629
1990	23540000.339969996
1991	36799999.39911066
1992	22089999.975636598
1993	18630000.051110975
1994	6799999.909475449
1995	11829999.929293992
1996	7460000.142455103
1997	8910000.007599592
1998	9030000.202357773
1999	13029999.908059834
2000	10459999.935701493
2001	11010000.01467764
2002	13540000.07919967
2003	17669999.819248915
2004	20149999.843910348
2005	15659999.832510948
2006	24810000.430792544
2007	33540000.559762157
2008	31769999.97161332
2009	30699999.663978767
2010	44449999.47585163
2011	47609999.81872736
2012	33619999.63782727
2013	23989999.869838353
2014	23119999.645277843
2015	15619999.803602695
2016	6660000.016912816
2017	6160000.089556007
2018	4309999.922290448
2019	3099999.9474734077
2020	4820000.037550928
2021	4819999.9537318945
2022	2929999.9549984923