Year	current US$
1965	39999.9991059303
1978	1580000.04291534
1979	189999.99761581398
1980	319999.99284744303
1981	920000.016689301
1982	17950000.762939498
1983	30069999.6948242
1984	4289999.96185303
1985	4150000.09536743
1986	11659999.8474121
1987	58400001.5258789
1988	55599998.4741211
1989	4760000.228881841
1990	45200000.762939505
1991	11489999.7711182
1992	71180000.3051758
1993	4449999.80926514
1994	18399999.6185303
1995	49389999.3896484
1996	21270000.4577637
1997	42799999.237060495
1998	44270000.4577637
2000	569999.992847443
2001	4300000.19073486
2002	4860000.1335144
2003	3269999.98092651
2004	7800000.19073486
2005	12659999.8474121
2006	16649999.618530298
2007	24129999.1607666
2008	25440000.5340576
2009	32389999.3896484
2010	50060001.373291
2011	18290000.915527303
2012	14689999.5803833
2013	7079999.92370605
2014	14399999.6185303
2015	21870000.8392334
2016	15670000.076293899
2017	13279999.7329712
2018	31989999.7711182
2019	48099998.4741211
2020	24049999.237060502
2021	65580001.8310547
2022	29719999.3133545