Year	current US$
1967	29999.999329447703
1968	29999.999329447703
1969	29999.999329447703
1970	9999.99977648258
1971	9999.99977648258
1972	19999.9995529652
1973	50000.0007450581
1974	39999.9991059303
1975	39999.9991059303
1976	70000.0002980232
1977	2970000.02861023
1978	340000.00357627904
1979	3970000.02861023
1980	2589999.91416931
1981	569999.992847443
1982	1340000.0333786
1983	1080000.04291534
1984	3170000.07629395
1985	2859999.89509583
1986	2130000.1144409203
1987	2269999.98092651
1988	3039999.96185303
1989	3160000.08583069
1990	7579999.92370605
1991	16709999.0844727
1992	11109999.6566772
1993	9010000.22888184
1994	4010000.2288818406
1995	5239999.771118159
1996	5480000.01907349
1997	6969999.79019165
1998	8079999.923706049
1999	5769999.98092651
2000	8619999.88555908
2001	4059999.94277954
2002	7860000.1335144
2003	6349999.90463257
2004	9600000.38146973
2005	7940000.05722046
2006	5389999.8664856
2007	3740000.00953674
2008	9350000.38146973
2009	28379999.1607666
2010	7280000.20980835
2011	20659999.8474121
2012	6699999.80926514
2013	17930000.3051758
2014	11510000.2288818
2015	12479999.5422363
2016	19379999.1607666
2017	24299999.237060502
2018	18579999.9237061
2019	13130000.1144409
2020	8789999.96185303
2021	13020000.4577637
2022	15239999.7711182